Fix remaining flake8 issues

Disabling W504 and W605 for now as there are too many instances.

moto/__init__.py

@@ -1,5 +1,5 @@
 from __future__ import unicode_literals
-import logging
+# import logging
 # logging.getLogger('boto').setLevel(logging.CRITICAL)
 
 __title__ = 'moto'

moto/cloudwatch/responses.py

@@ -96,11 +96,11 @@ class CloudWatchResponse(BaseResponse):
         extended_statistics = self._get_param('ExtendedStatistics')
         dimensions = self._get_param('Dimensions')
         if unit or extended_statistics or dimensions:
-            raise NotImplemented()
+            raise NotImplementedError()
 
         # TODO: this should instead throw InvalidParameterCombination
         if not statistics:
-            raise NotImplemented("Must specify either Statistics or ExtendedStatistics")
+            raise NotImplementedError("Must specify either Statistics or ExtendedStatistics")
 
         datapoints = self.cloudwatch_backend.get_metric_statistics(namespace, metric_name, start_time, end_time, period, statistics)
         template = self.response_template(GET_METRIC_STATISTICS_TEMPLATE)

moto/dynamodb2/comparisons.py

@@ -1,7 +1,5 @@
 from __future__ import unicode_literals
 import re
-import six
-import re
 from collections import deque
 from collections import namedtuple
 
@@ -221,7 +219,6 @@ class ConditionExpressionParser:
         # --------------
         LITERAL = 'LITERAL'
 
-
     class Nonterminal:
         """Enum defining nonterminals for productions."""
 
@@ -240,7 +237,6 @@ class ConditionExpressionParser:
         RIGHT_PAREN = 'RIGHT_PAREN'
         WHITESPACE = 'WHITESPACE'
 
-
     Node = namedtuple('Node', ['nonterminal', 'kind', 'text', 'value', 'children'])
 
     def _lex_condition_expression(self):
@@ -290,7 +286,6 @@ class ConditionExpressionParser:
             raise ValueError("Cannot parse condition starting at: " +
                              remaining_expression)
 
-        value = match_text
         node = self.Node(
             nonterminal=nonterminal,
             kind=self.Kind.LITERAL,
@@ -351,7 +346,6 @@ class ConditionExpressionParser:
             'size',
         }
 
-
         if name.lower() in reserved:
             # e.g. AND
             nonterminal = reserved[name.lower()]
@@ -755,7 +749,6 @@ class ConditionExpressionParser:
         else:  # pragma: no cover
             raise ValueError("Unknown operand: %r" % node)
 
-
     def _make_op_condition(self, node):
         if node.kind == self.Kind.OR:
             lhs, rhs = node.children

tox.ini

@@ -15,5 +15,5 @@ commands =
     nosetests {posargs}
 
 [flake8]
-ignore = E128,E501
+ignore = E128,E501,W504,W605
 exclude = moto/packages,dist