fix flake8 findings

Signed-off-by: hwassman <[email protected]>

Author: Helene

source/collector.py

@@ -377,7 +377,7 @@ def _collect(self):
             for row in rows:
                 for value, columnInfo in zip(row.values, res.columnInfos):
                     columnValues[columnInfo].append([row.tstamp, value])
-        else:   
+        else:
             columnValues = defaultdict(dict)
             for row in rows:
                 for value, columnInfo in zip(row.values, res.columnInfos):

source/opentsdb.py

@@ -384,7 +384,7 @@ def GET(self, **params):
     @cherrypy.config(**{'tools.json_in.force': False})
     @cherrypy.tools.json_in()  # @UndefinedVariable
     @cherrypy.tools.json_out()  # @UndefinedVariable
-    def POST(self,**params):
+    def POST(self, **params):
         ''' Process POST. tools.json_in.force is set to False for
         compatability between versions of grafana < 3 and version 3.'''