Blacken code.

pyproject.toml

@@ -8,6 +8,7 @@ build-backend = "setuptools.build_meta"
 # The only exclusions that should remain in the end are _vendored and versioneer.
 exclude = '''
 ( __pycache__
+| ^/.tox
 | ^/versioneer.py
 | ^/src/ptvsd/_vendored
 | ^/src/ptvsd/_version.py

src/ptvsd/adapter/__main__.py

@@ -40,7 +40,7 @@ def main(args):
     if args.for_enable_attach:
         endpoints = {
             "ide": {"host": ide_host, "port": ide_port},
-            "server": {"host": server_host, "port": server_port}
+            "server": {"host": server_host, "port": server_port},
         }
         log.info("Sending endpoints to stdout: {0!r}", endpoints)
         print(json.dumps(endpoints))
@@ -76,9 +76,7 @@ def _parse_argv(argv):
     )
 
     parser.add_argument(
-        "--for-enable-attach",
-        action="store_true",
-        help=argparse.SUPPRESS,
+        "--for-enable-attach", action="store_true", help=argparse.SUPPRESS
     )
 
     parser.add_argument(

src/ptvsd/server/api.py

@@ -81,6 +81,7 @@ def enable_attach(dont_trace_start_patterns, dont_trace_end_patterns):
         raise RuntimeError("enable_attach() can only be called once per process.")
 
     import subprocess
+
     adapter_args = [
         sys.executable,
         _ADAPTER_PATH,
@@ -98,11 +99,7 @@ def enable_attach(dont_trace_start_patterns, dont_trace_end_patterns):
 
     # Adapter life time is expected to be longer than this process,
     # so never wait on the adapter process
-    process = subprocess.Popen(
-        adapter_args,
-        bufsize=0,
-        stdout=subprocess.PIPE,
-    )
+    process = subprocess.Popen(adapter_args, bufsize=0, stdout=subprocess.PIPE)
 
     line = process.stdout.readline()
     if isinstance(line, bytes):
@@ -110,7 +107,7 @@ def enable_attach(dont_trace_start_patterns, dont_trace_end_patterns):
     connection_details = json.JSONDecoder().decode(line)
     log.info("Connection details received from adapter: {0!r}", connection_details)
 
-    host = "127.0.0.1" # This should always be loopback address.
+    host = "127.0.0.1"  # This should always be loopback address.
     port = connection_details["server"]["port"]
 
     pydevd.settrace(
@@ -128,7 +125,7 @@ def enable_attach(dont_trace_start_patterns, dont_trace_end_patterns):
 
     # Ensure that we ignore the adapter process when terminating the debugger.
     pydevd.add_dont_terminate_child_pid(process.pid)
-    server_opts.port =  connection_details["ide"]["port"]
+    server_opts.port = connection_details["ide"]["port"]
 
     listener_file = os.getenv("PTVSD_LISTENER_FILE")
     if listener_file is not None:

tests/ptvsd/server/test_breakpoints.py

@@ -101,7 +101,6 @@ def test_conditional_breakpoint(pyfile, target, run, condition_kind, condition):
 
 
 def test_crossfile_breakpoint(pyfile, target, run):
-
     @pyfile
     def script1():
         import debug_me  # noqa
@@ -171,7 +170,6 @@ def test_error_in_condition(pyfile, target, run, error_name):
 
 @pytest.mark.parametrize("condition", ["condition", ""])
 def test_log_point(pyfile, target, run, condition):
-
     @pyfile
     def code_to_debug():
         import debug_me  # noqa
@@ -247,7 +245,6 @@ def test_package_launch(run):
 
 
 def test_add_and_remove_breakpoint(pyfile, target, run):
-
     @pyfile
     def code_to_debug():
         import debug_me  # noqa
@@ -279,7 +276,6 @@ def test_add_and_remove_breakpoint(pyfile, target, run):
 
 
 def test_breakpoint_in_nonexistent_file(pyfile, target, run):
-
     @pyfile
     def code_to_debug():
         import debug_me  # noqa
@@ -300,7 +296,6 @@ def test_breakpoint_in_nonexistent_file(pyfile, target, run):
 
 
 def test_invalid_breakpoints(pyfile, target, run):
-
     @pyfile
     def code_to_debug():
         import debug_me  # noqa
@@ -368,7 +363,6 @@ def test_invalid_breakpoints(pyfile, target, run):
 
 
 def test_deep_stacks(pyfile, target, run):
-
     @pyfile
     def code_to_debug():
         import debug_me  # noqa

tests/ptvsd/server/test_output.py

@@ -15,7 +15,6 @@ from tests import debug
 
 
 def test_with_no_output(pyfile, target, run):
-
     @pyfile
     def code_to_debug():
         import debug_me  # noqa
@@ -36,7 +35,6 @@ def test_with_no_output(pyfile, target, run):
 
 
 def test_with_tab_in_output(pyfile, target, run):
-
     @pyfile
     def code_to_debug():
         import debug_me  # noqa
@@ -57,7 +55,6 @@ def test_with_tab_in_output(pyfile, target, run):
 
 @pytest.mark.parametrize("redirect", ["enabled", "disabled"])
 def test_redirect_output(pyfile, target, run, redirect):
-
     @pyfile
     def code_to_debug():
         import debug_me  # noqa
@@ -83,12 +80,12 @@ def test_redirect_output(pyfile, target, run, redirect):
 
 
 def test_non_ascii_output(pyfile, target, run):
-
     @pyfile
     def code_to_debug():
         import debug_me  # noqa
         import sys
-        a = b'\xc3\xa9 \xc3\xa0 \xc3\xb6 \xc3\xb9\n'
+
+        a = b"\xc3\xa9 \xc3\xa0 \xc3\xb6 \xc3\xb9\n"
         if sys.version_info[0] >= 3:
             sys.stdout.buffer.write(a)
         else:
@@ -104,10 +101,9 @@ def test_non_ascii_output(pyfile, target, run):
         session.wait_for_stop()
         session.request_continue()
 
-    output = session.output("stdout").encode('utf-8', 'replace')
+    output = session.output("stdout").encode("utf-8", "replace")
 
     assert output in (
-        b'\xc3\xa9 \xc3\xa0 \xc3\xb6 \xc3\xb9\n',
-        b'\xc3\x83\xc2\xa9 \xc3\x83\xc2\xa0 \xc3\x83\xc2\xb6 \xc3\x83\xc2\xb9\n'
+        b"\xc3\xa9 \xc3\xa0 \xc3\xb6 \xc3\xb9\n",
+        b"\xc3\x83\xc2\xa9 \xc3\x83\xc2\xa0 \xc3\x83\xc2\xb6 \xc3\x83\xc2\xb9\n",
     )
-