fix flake8 errors

manage.py

@@ -12,8 +12,8 @@ def main():
 
     configuration, metrics = cnfparse.importConf("config/client.conf")
     cli = client.Client(configuration)
-	cli.startReporting(metricCollectors=
-	collectables.collectables.provide(metrics))
+    cli.startReporting(
+        metricCollectors=collectables.collectables.provide(metrics))
 
 
 if __name__ == "__main__":

src/collectables.py

-from metrics import *
+from metrics import std
 
 
 class collectables:

src/metrics.py

@@ -26,8 +26,7 @@ class Collection(object):
                     return Metrics(cls.name,
                                    query[cls.collector_function_result_attr])
                 elif (isinstance(query, tuple)):
-					return Metrics(cls.name,
-					               query.__getattribute__(
+                    return Metrics(cls.name, query.__getattribute__(
                         cls.collector_function_result_attr))
                 else:
                     return Metrics(cls.name, query)
@@ -42,12 +41,9 @@ class std(Collection):
         class usage(Collection.Group.Metric):
             name = "cpu.usage"
             collector_function = ps.cpu_percent
-			collector_function_arguments = {
-                            'interval': 0.0,
-			}
+            collector_function_arguments = {'interval': 0.0}
 
     class memory(Collection.Group):
-
         class usage(Collection.Group.Metric):
             name = "memory.usage"
             collector_function = ps.virtual_memory