Bug 1344849 - Enabled flake8 rule E201: "whitespace after '{'". r=Dexter

Removed whitespace after '{'

toolkit/components/telemetry/.flake8

@@ -1,5 +1,5 @@
 [flake8]
 # See http://pep8.readthedocs.io/en/latest/intro.html#configuration
-ignore = E121, E123, E126, E129, E133, E226, E241, E242, E704, W503, E402, E128, E501, E713, E222, E201, E202, W602, E127, W601
+ignore = E121, E123, E126, E129, E133, E226, E241, E242, E704, W503, E402, E128, E501, E713, E222, E202, W602, E127, W601
 max-line-length = 99
 filename = *.py, +.lint

toolkit/components/telemetry/gen-histogram-bucket-ranges.py

@@ -45,8 +45,8 @@ def main(argv):
         except histogram_tools.DefinitionException:
             continue
 
-        all_histograms.update({ name: parameters })
+        all_histograms.update({name: parameters})
 
-    print json.dumps({ 'histograms': all_histograms})
+    print json.dumps({'histograms': all_histograms})
 
 main(sys.argv[1:])

toolkit/components/telemetry/histogram_tools.py

@@ -131,8 +131,8 @@ symbol that should guard C/C++ definitions associated with the histogram."""
         }
         table_dispatch(self.kind(), table,
                        lambda k: self._set_nsITelemetry_kind(k))
-        datasets = { 'opt-in': 'DATASET_RELEASE_CHANNEL_OPTIN',
-                     'opt-out': 'DATASET_RELEASE_CHANNEL_OPTOUT' }
+        datasets = {'opt-in': 'DATASET_RELEASE_CHANNEL_OPTIN',
+                    'opt-out': 'DATASET_RELEASE_CHANNEL_OPTOUT'}
         value = definition.get('releaseChannelCollection', 'opt-in')
         if not value in datasets:
             raise DefinitionException, "unknown release channel collection policy for " + name