Bug 1356527 - Enable the remaining rules in Telemetry .flake8; r=Dexter

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, E501
+ignore = E501
 max-line-length = 99
 filename = *.py, +.lint

toolkit/components/telemetry/gen-event-data.py

@@ -46,9 +46,9 @@ def write_extra_table(events, output, string_table):
             indexes = string_table.stringIndexes(extra_keys)
 
             print("  // %s, [%s], [%s]" % (
-                    e.category,
-                    ", ".join(e.methods),
-                    ", ".join(e.objects)),
+                  e.category,
+                  ", ".join(e.methods),
+                  ", ".join(e.objects)),
                   file=output)
             print("  // extra_keys: %s" % ", ".join(extra_keys), file=output)
             print("  %s," % ", ".join(map(str, indexes)),

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

@@ -28,7 +28,7 @@ def main(argv):
             'linear': '1',
             'exponential': '0',
             'count': '4',
-            }
+        }
         # Use __setitem__ because Python lambdas are so limited.
         histogram_tools.table_dispatch(histogram.kind(), table,
                                        lambda k: parameters.__setitem__('kind', k))