diff --git a/.flake8 b/.flake8
new file mode 100644
index 0000000..6deafc2
--- /dev/null
+++ b/.flake8
@@ -0,0 +1,2 @@
+[flake8]
+max-line-length = 120
diff --git a/scripts/dev_setup.py b/scripts/dev_setup.py
index 6f2c6f5..5f83b83 100644
--- a/scripts/dev_setup.py
+++ b/scripts/dev_setup.py
@@ -9,6 +9,7 @@ import sys
 import os
 from subprocess import check_call, CalledProcessError
 
+
 def py_command(command):
     try:
         print('Executing: ' + sys.executable + ' ' + command)
@@ -18,9 +19,11 @@ def py_command(command):
         print(err, file=sys.stderr)
         sys.exit(1)
 
+
 def pip_command(command):
     py_command('-m pip ' + command)
 
+
 packages = []
 
 packages.append('src/mvnfeed_modules/mvnfeed-cli-common')
diff --git a/src/mvnfeed-cli/mvnfeed/__init__.py b/src/mvnfeed-cli/mvnfeed/__init__.py
index fec9547..ece379c 100644
--- a/src/mvnfeed-cli/mvnfeed/__init__.py
+++ b/src/mvnfeed-cli/mvnfeed/__init__.py
@@ -1,2 +1,2 @@
 import pkg_resources
-pkg_resources.declare_namespace(__name__)
\ No newline at end of file
+pkg_resources.declare_namespace(__name__)
diff --git a/src/mvnfeed-cli/mvnfeed/cli/__init__.py b/src/mvnfeed-cli/mvnfeed/cli/__init__.py
index 039699b..a9dfa53 100644
--- a/src/mvnfeed-cli/mvnfeed/cli/__init__.py
+++ b/src/mvnfeed-cli/mvnfeed/cli/__init__.py
@@ -4,4 +4,4 @@
 # --------------------------------------------------------------------------------------------
 
 import pkg_resources
-pkg_resources.declare_namespace(__name__)
\ No newline at end of file
+pkg_resources.declare_namespace(__name__)
diff --git a/src/mvnfeed-cli/mvnfeed/cli/__main__.py b/src/mvnfeed-cli/mvnfeed/cli/__main__.py
index f623966..28e7eef 100644
--- a/src/mvnfeed-cli/mvnfeed/cli/__main__.py
+++ b/src/mvnfeed-cli/mvnfeed/cli/__main__.py
@@ -7,6 +7,7 @@ import sys
 
 from .mvnfeed_cli import MvnFeedCLI
 
+
 def main():
     try:
         mvnfeed_cli = MvnFeedCLI()
@@ -15,5 +16,6 @@ def main():
     except KeyboardInterrupt:
         sys.exit(1)
 
+
 if __name__ == "__main__":
     main()
diff --git a/src/mvnfeed-cli/mvnfeed/cli/mvnfeed_cli.py b/src/mvnfeed-cli/mvnfeed/cli/mvnfeed_cli.py
index 710ef68..20ab1a7 100644
--- a/src/mvnfeed-cli/mvnfeed/cli/mvnfeed_cli.py
+++ b/src/mvnfeed-cli/mvnfeed/cli/mvnfeed_cli.py
@@ -1,10 +1,6 @@
 from __future__ import print_function
 
-import platform
-import sys
-
 from knack import CLI
-from knack.events import EVENT_CLI_POST_EXECUTE, EVENT_CLI_PRE_EXECUTE
 from mvnfeed.cli.common.config import GLOBAL_CONFIG_DIR, CLI_ENV_VARIABLE_PREFIX, load_config
 from mvnfeed.cli.common.logmodule import init_logging
 from .mvnfeed_help import MvnFeedHelp
@@ -14,6 +10,7 @@ CLI_NAME = "mvnfeed"
 CLI_PACKAGE_NAME = 'mvnfeed-cli'
 COMPONENT_PREFIX = 'mvnfeed-cli-'
 
+
 class MvnFeedCLI(CLI):
     def __init__(self):
         super(MvnFeedCLI, self).__init__(cli_name=CLI_NAME,
diff --git a/src/mvnfeed-cli/mvnfeed/cli/mvnfeed_commands.py b/src/mvnfeed-cli/mvnfeed/cli/mvnfeed_commands.py
index 4da190b..197a33c 100644
--- a/src/mvnfeed-cli/mvnfeed/cli/mvnfeed_commands.py
+++ b/src/mvnfeed-cli/mvnfeed/cli/mvnfeed_commands.py
@@ -2,6 +2,7 @@ import knack
 from mvnfeed.cli.transfer.commands import load_transfer_commands
 from mvnfeed.cli.transfer.arguments import load_transfer_arguments
 
+
 class MvnFeedCommandsLoader(knack.commands.CLICommandsLoader):
     def load_command_table(self, args):
         load_transfer_commands(self)
@@ -9,4 +10,4 @@ class MvnFeedCommandsLoader(knack.commands.CLICommandsLoader):
 
     def load_arguments(self, command):
         load_transfer_arguments(self)
-        super(MvnFeedCommandsLoader, self).load_arguments(command)
\ No newline at end of file
+        super(MvnFeedCommandsLoader, self).load_arguments(command)
diff --git a/src/mvnfeed-cli/mvnfeed/cli/mvnfeed_help.py b/src/mvnfeed-cli/mvnfeed/cli/mvnfeed_help.py
index 1813a5e..fa99e24 100644
--- a/src/mvnfeed-cli/mvnfeed/cli/mvnfeed_help.py
+++ b/src/mvnfeed-cli/mvnfeed/cli/mvnfeed_help.py
@@ -1,13 +1,15 @@
 from knack.help import CLIHelp
 from mvnfeed.cli.common.version import VERSION
 
+
 class MvnFeedHelp(CLIHelp):
     def __init__(self, cli_ctx=None):
         # import command group help
-        import mvnfeed.cli.transfer._help
+        import mvnfeed.cli.transfer._help  # noqa
         super(MvnFeedHelp, self).__init__(cli_ctx=cli_ctx,
                                           welcome_message=WELCOME_MESSAGE)
 
+
 WELCOME_MESSAGE = """MvnFeed CLI {}
 
 Use `mvnfeed -h` to see available commands.
diff --git a/src/mvnfeed_modules/mvnfeed-cli-common/mvnfeed/__init__.py b/src/mvnfeed_modules/mvnfeed-cli-common/mvnfeed/__init__.py
index 039699b..a9dfa53 100644
--- a/src/mvnfeed_modules/mvnfeed-cli-common/mvnfeed/__init__.py
+++ b/src/mvnfeed_modules/mvnfeed-cli-common/mvnfeed/__init__.py
@@ -4,4 +4,4 @@
 # --------------------------------------------------------------------------------------------
 
 import pkg_resources
-pkg_resources.declare_namespace(__name__)
\ No newline at end of file
+pkg_resources.declare_namespace(__name__)
diff --git a/src/mvnfeed_modules/mvnfeed-cli-common/mvnfeed/cli/__init__.py b/src/mvnfeed_modules/mvnfeed-cli-common/mvnfeed/cli/__init__.py
index 039699b..a9dfa53 100644
--- a/src/mvnfeed_modules/mvnfeed-cli-common/mvnfeed/cli/__init__.py
+++ b/src/mvnfeed_modules/mvnfeed-cli-common/mvnfeed/cli/__init__.py
@@ -4,4 +4,4 @@
 # --------------------------------------------------------------------------------------------
 
 import pkg_resources
-pkg_resources.declare_namespace(__name__)
\ No newline at end of file
+pkg_resources.declare_namespace(__name__)
diff --git a/src/mvnfeed_modules/mvnfeed-cli-common/mvnfeed/cli/common/__init__.py b/src/mvnfeed_modules/mvnfeed-cli-common/mvnfeed/cli/common/__init__.py
index 039699b..a9dfa53 100644
--- a/src/mvnfeed_modules/mvnfeed-cli-common/mvnfeed/cli/common/__init__.py
+++ b/src/mvnfeed_modules/mvnfeed-cli-common/mvnfeed/cli/common/__init__.py
@@ -4,4 +4,4 @@
 # --------------------------------------------------------------------------------------------
 
 import pkg_resources
-pkg_resources.declare_namespace(__name__)
\ No newline at end of file
+pkg_resources.declare_namespace(__name__)
diff --git a/src/mvnfeed_modules/mvnfeed-cli-common/mvnfeed/cli/common/config.py b/src/mvnfeed_modules/mvnfeed-cli-common/mvnfeed/cli/common/config.py
index c37ef69..22cb936 100644
--- a/src/mvnfeed_modules/mvnfeed-cli-common/mvnfeed/cli/common/config.py
+++ b/src/mvnfeed_modules/mvnfeed-cli-common/mvnfeed/cli/common/config.py
@@ -13,12 +13,14 @@ REPOSITORY = 'repository.'
 URL = 'url'
 AUTHORIZATION = 'authorization'
 
+
 def _get_config_dir():
     codegen_config_dir = os.getenv('MVNFEED_CONFIG_DIR', None) or os.path.expanduser(os.path.join('~', '.mvnfeed'))
     if not os.path.exists(codegen_config_dir):
         os.makedirs(codegen_config_dir)
     return codegen_config_dir
 
+
 GLOBAL_CONFIG_DIR = _get_config_dir()
 
 
diff --git a/src/mvnfeed_modules/mvnfeed-cli-common/mvnfeed/cli/common/logmodule.py b/src/mvnfeed_modules/mvnfeed-cli-common/mvnfeed/cli/common/logmodule.py
index 6f2553c..7fcad8a 100644
--- a/src/mvnfeed_modules/mvnfeed-cli-common/mvnfeed/cli/common/logmodule.py
+++ b/src/mvnfeed_modules/mvnfeed-cli-common/mvnfeed/cli/common/logmodule.py
@@ -5,6 +5,7 @@
 
 import logging
 
+
 def init_logging(filepath, level=logging.DEBUG):
     """
     Initialize the logging module for the application.
diff --git a/src/mvnfeed_modules/mvnfeed-cli-common/mvnfeed/cli/common/version.py b/src/mvnfeed_modules/mvnfeed-cli-common/mvnfeed/cli/common/version.py
index 6ac5af5..789c38e 100644
--- a/src/mvnfeed_modules/mvnfeed-cli-common/mvnfeed/cli/common/version.py
+++ b/src/mvnfeed_modules/mvnfeed-cli-common/mvnfeed/cli/common/version.py
@@ -3,4 +3,4 @@
 # Licensed under the MIT License. See License.txt in the project root for license information.
 # --------------------------------------------------------------------------------------------
 
-VERSION = "0.0.1"
\ No newline at end of file
+VERSION = "0.0.1"
diff --git a/src/mvnfeed_modules/mvnfeed-cli-transfer/mvnfeed/__init__.py b/src/mvnfeed_modules/mvnfeed-cli-transfer/mvnfeed/__init__.py
index 039699b..a9dfa53 100644
--- a/src/mvnfeed_modules/mvnfeed-cli-transfer/mvnfeed/__init__.py
+++ b/src/mvnfeed_modules/mvnfeed-cli-transfer/mvnfeed/__init__.py
@@ -4,4 +4,4 @@
 # --------------------------------------------------------------------------------------------
 
 import pkg_resources
-pkg_resources.declare_namespace(__name__)
\ No newline at end of file
+pkg_resources.declare_namespace(__name__)
diff --git a/src/mvnfeed_modules/mvnfeed-cli-transfer/mvnfeed/cli/__init__.py b/src/mvnfeed_modules/mvnfeed-cli-transfer/mvnfeed/cli/__init__.py
index 039699b..a9dfa53 100644
--- a/src/mvnfeed_modules/mvnfeed-cli-transfer/mvnfeed/cli/__init__.py
+++ b/src/mvnfeed_modules/mvnfeed-cli-transfer/mvnfeed/cli/__init__.py
@@ -4,4 +4,4 @@
 # --------------------------------------------------------------------------------------------
 
 import pkg_resources
-pkg_resources.declare_namespace(__name__)
\ No newline at end of file
+pkg_resources.declare_namespace(__name__)
diff --git a/src/mvnfeed_modules/mvnfeed-cli-transfer/mvnfeed/cli/transfer/__init__.py b/src/mvnfeed_modules/mvnfeed-cli-transfer/mvnfeed/cli/transfer/__init__.py
index ae49d1c..037e368 100644
--- a/src/mvnfeed_modules/mvnfeed-cli-transfer/mvnfeed/cli/transfer/__init__.py
+++ b/src/mvnfeed_modules/mvnfeed-cli-transfer/mvnfeed/cli/transfer/__init__.py
@@ -6,10 +6,10 @@
 import pkg_resources
 pkg_resources.declare_namespace(__name__)
 
-import knack.help
 
 def load_params(_):
-    import knack.arguments
+    import knack.arguments  # noqa
+
 
 def load_commands():
-    import knack.commands
+    import knack.commands  # noqa
diff --git a/src/mvnfeed_modules/mvnfeed-cli-transfer/mvnfeed/cli/transfer/arguments.py b/src/mvnfeed_modules/mvnfeed-cli-transfer/mvnfeed/cli/transfer/arguments.py
index 77457e8..57ad38e 100644
--- a/src/mvnfeed_modules/mvnfeed-cli-transfer/mvnfeed/cli/transfer/arguments.py
+++ b/src/mvnfeed_modules/mvnfeed-cli-transfer/mvnfeed/cli/transfer/arguments.py
@@ -5,6 +5,7 @@
 
 import knack
 
+
 def load_transfer_arguments(cli_command_loader):
     with knack.arguments.ArgumentsContext(cli_command_loader, 'config stage_dir') as ac:
         ac.argument('path', options_list=('--path'))
diff --git a/src/mvnfeed_modules/mvnfeed-cli-transfer/mvnfeed/cli/transfer/cleanup.py b/src/mvnfeed_modules/mvnfeed-cli-transfer/mvnfeed/cli/transfer/cleanup.py
index b1a407a..c53d807 100644
--- a/src/mvnfeed_modules/mvnfeed-cli-transfer/mvnfeed/cli/transfer/cleanup.py
+++ b/src/mvnfeed_modules/mvnfeed-cli-transfer/mvnfeed/cli/transfer/cleanup.py
@@ -3,9 +3,9 @@
 # Licensed under the MIT License. See License.txt in the project root for license information.
 # --------------------------------------------------------------------------------------------
 
-import logging
 import os
 
+
 def cleanup_file(type, input, output):
     """
     Cleanup input file.
@@ -61,7 +61,7 @@ def _cleanup_gradle(input, output):
                 packages.append(line[start:end])
                 continue
 
-            if not '\--- ' in line and not '+--- ' in line:
+            if '\\--- ' not in line and '+--- ' not in line:
                 # not a package line
                 continue
             if ' -> ' in line or ' (*)' in line or ' (n)' in line:
diff --git a/src/mvnfeed_modules/mvnfeed-cli-transfer/mvnfeed/cli/transfer/commands.py b/src/mvnfeed_modules/mvnfeed-cli-transfer/mvnfeed/cli/transfer/commands.py
index 4907262..566d5ea 100644
--- a/src/mvnfeed_modules/mvnfeed-cli-transfer/mvnfeed/cli/transfer/commands.py
+++ b/src/mvnfeed_modules/mvnfeed-cli-transfer/mvnfeed/cli/transfer/commands.py
@@ -3,9 +3,9 @@
 # Licensed under the MIT License. See License.txt in the project root for license information.
 # --------------------------------------------------------------------------------------------
 
-import knack
 from knack.commands import CommandGroup
 
+
 def load_transfer_commands(cli_command_loader):
     with CommandGroup(cli_command_loader, 'artifact', 'mvnfeed.cli.transfer.{}') as g:
         g.command('transfer', 'transfer#transfer_artifact')
diff --git a/src/mvnfeed_modules/mvnfeed-cli-transfer/mvnfeed/cli/transfer/configuration.py b/src/mvnfeed_modules/mvnfeed-cli-transfer/mvnfeed/cli/transfer/configuration.py
index 3242631..c56ca66 100644
--- a/src/mvnfeed_modules/mvnfeed-cli-transfer/mvnfeed/cli/transfer/configuration.py
+++ b/src/mvnfeed_modules/mvnfeed-cli-transfer/mvnfeed/cli/transfer/configuration.py
@@ -6,10 +6,11 @@
 import base64
 import getpass
 
-from mvnfeed.cli.common.config import REPOSITORY, AUTHORIZATION, URL, URL, repo_section_name, load_config, save_config
+from mvnfeed.cli.common.config import REPOSITORY, AUTHORIZATION, URL, repo_section_name, load_config, save_config
 
 STAGE_DIR_CONFIGNAME = 'stage_dir'
 
+
 def set_stagedir(path):
     """
     Sets the output directory where dependencies will be staged.
@@ -112,4 +113,4 @@ def get_stagedir(config):
 def _default_value(input):
     if input is None:
         return ''
-    return input
\ No newline at end of file
+    return input
diff --git a/src/mvnfeed_modules/mvnfeed-cli-transfer/mvnfeed/cli/transfer/transfer.py b/src/mvnfeed_modules/mvnfeed-cli-transfer/mvnfeed/cli/transfer/transfer.py
index 39aab2c..ec1e301 100644
--- a/src/mvnfeed_modules/mvnfeed-cli-transfer/mvnfeed/cli/transfer/transfer.py
+++ b/src/mvnfeed_modules/mvnfeed-cli-transfer/mvnfeed/cli/transfer/transfer.py
@@ -98,7 +98,7 @@ def _transfer_single_artifact(name, from_repository, to_repository, stage_dir, t
 
     artifact_path = group_id.replace('.', '/') + '/' + artifact_name + '/' + version
 
-    if artifact_type in [ 'jar', 'war' ]:
+    if artifact_type in ['jar', 'war']:
         files2transfer = _java_artifacts(artifact_fullname, artifact_type, artifact_path, transfer_deps)
     else:
         files2transfer = _untyped_artifacts(artifact_fullname, artifact_type, artifact_path, transfer_deps)
@@ -117,7 +117,7 @@ def _transfer_single_artifact(name, from_repository, to_repository, stage_dir, t
         _download_file(from_repository, artifact_relativepath, outfile)
         if not os.path.exists(outfile):
             logging.info('%s was not downloaded. Skipping', outfile)
-            if file2transfer['target'] == True:
+            if file2transfer['target']:
                 logging.warning('%s was not found in the repository', file2transfer['name'])
             continue
 
@@ -134,8 +134,9 @@ def _transfer_single_artifact(name, from_repository, to_repository, stage_dir, t
                 parent_group_id = _findNodeValue(parentNode, 'groupId')
                 parent_artifact_id = _findNodeValue(parentNode, 'artifactId')
                 parent_version = _findNodeValue(parentNode, 'version')
+                parent_path = parent_group_id.replace('.', '/') + '/' + parent_artifact_id + '/' + parent_version
 
-                files2transfer.append(_pom_artifact(parent_artifact_id + '-' + parent_version, parent_group_id.replace('.', '/') + '/' + parent_artifact_id + '/' + parent_version))
+                files2transfer.append(_pom_artifact(parent_artifact_id + '-' + parent_version, parent_path))
 
             if 'transfer_deps' not in file2transfer or not file2transfer['transfer_deps']:
                 logging.info('not transferring dependencies from %s', file2transfer['name'])
@@ -162,7 +163,8 @@ def _transfer_single_artifact(name, from_repository, to_repository, stage_dir, t
                 # if no version has been defined, than it's getting potentially
                 # tricky so let's just give up and let the user deal with it
                 if dep_version is None:
-                    logging.error('missing explicit version for %s:%s in %s. Skipping', dep_group_id, dep_artifact_id, file2transfer['name'])
+                    logging.error('missing explicit version for %s:%s in %s. Skipping',
+                                  dep_group_id, dep_artifact_id, file2transfer['name'])
                     continue
 
                 # let's download the dependency
@@ -170,6 +172,7 @@ def _transfer_single_artifact(name, from_repository, to_repository, stage_dir, t
                 artifact_path = dep_group_id.replace('.', '/') + '/' + dep_artifact_id + '/' + dep_version
                 files2transfer.extend(_java_artifacts(artifact_fullname, 'jar', artifact_path, transfer_deps))
 
+
 # Definitions of the artifacts to download:
 #  - name: name of the artifact
 #  - path: full path of the artifact, will be prepended to the urls
@@ -248,7 +251,7 @@ def _download_file(from_repository, path, filename, length=16*1024):
     if os.path.exists(filename):
         logging.debug('%s already downloaded', filename)
 
-    if not URL in from_repository or not from_repository[URL]:
+    if URL not in from_repository or not from_repository[URL]:
         raise ValueError('Repository missing url: ' + get_repository_shortname(from_repository))
 
     url = _append_url(from_repository[URL], path)
@@ -273,16 +276,16 @@ def _already_uploaded(to_repository, path):
     """
     Return True if the file was already uploaded.
     """
-    if not URL in to_repository or not to_repository[URL]:
+    if URL not in to_repository or not to_repository[URL]:
         raise ValueError('Repository missing upload url: ' + get_repository_shortname(to_repository))
     url = _append_url(to_repository[URL], path)
 
     if AUTHORIZATION in to_repository and to_repository[AUTHORIZATION]:
         logging.debug('authorization header added')
-        headers = { 'Authorization': to_repository[AUTHORIZATION] }
+        headers = {'Authorization': to_repository[AUTHORIZATION]}
     else:
         logging.debug('no authorization configured')
-        headers = { }
+        headers = {}
 
     try:
         response = requests.head(url, headers=headers)
@@ -302,17 +305,17 @@ def _upload_file(to_repository, path, filename):
         logging.debug('missing file to upload, skipping %s', filename)
         return False
 
-    if not URL in to_repository or not to_repository[URL]:
+    if URL not in to_repository or not to_repository[URL]:
         raise ValueError('Repository missing upload url: ' + get_repository_shortname(to_repository))
     url = _append_url(to_repository[URL], path)
 
     logging.debug('uploading to ' + url)
     if AUTHORIZATION in to_repository and to_repository[AUTHORIZATION]:
         logging.debug('authorization header added')
-        headers = { 'Authorization': to_repository[AUTHORIZATION] }
+        headers = {'Authorization': to_repository[AUTHORIZATION]}
     else:
         logging.debug('no authorization configured')
-        headers = { }
+        headers = {}
 
     try:
         with open(filename, 'rb') as file: