Pep8 check most files

I left some errors on puppetboard/forms.py because I'm not
sure how to fix them.

dev.py

@@ -5,5 +5,5 @@ from puppetboard.app import app
 from puppetboard.default_settings import DEV_LISTEN_HOST, DEV_LISTEN_PORT
 
 if __name__ == '__main__':
-    app.debug=True
+    app.debug = True
     app.run(DEV_LISTEN_HOST, DEV_LISTEN_PORT)

passenger_wsgi.py

@@ -17,4 +17,3 @@ try:
     from puppetboard.app import app as application
 except Exception, inst:
     logging.exception("Error: %s", str(type(inst)))
-

puppetboard/default_settings.py

@@ -1,11 +1,11 @@
-PUPPETDB_HOST='localhost'
-PUPPETDB_PORT=8080
-PUPPETDB_SSL=False
-PUPPETDB_KEY=None
-PUPPETDB_CERT=None
-PUPPETDB_TIMEOUT=20
-DEV_LISTEN_HOST='127.0.0.1'
-DEV_LISTEN_PORT=5000
-UNRESPONSIVE_HOURS=2
-ENABLE_QUERY=True
-LOGLEVEL='info'
+PUPPETDB_HOST = 'localhost'
+PUPPETDB_PORT = 8080
+PUPPETDB_SSL = False
+PUPPETDB_KEY = None
+PUPPETDB_CERT = None
+PUPPETDB_TIMEOUT = 20
+DEV_LISTEN_HOST = '127.0.0.1'
+DEV_LISTEN_PORT = 5000
+UNRESPONSIVE_HOURS = 2
+ENABLE_QUERY = True
+LOGLEVEL = 'info'

puppetboard/forms.py

@@ -4,6 +4,7 @@ from __future__ import absolute_import
 from flask.ext.wtf import Form
 from wtforms import RadioField, TextAreaField, validators
 
+
 class QueryForm(Form):
     """The form used to allow freeform queries to be executed against
     PuppetDB."""
@@ -17,4 +18,3 @@ class QueryForm(Form):
         ('reports', 'Reports'),
         ('events', 'Events'),
         ])
-

puppetboard/utils.py

@@ -6,6 +6,7 @@ from pypuppetdb.errors import EmptyResponseError
 
 from flask import abort
 
+
 def get_or_abort(func, *args, **kwargs):
     """Execute the function with its arguments and handle the possible
     errors that might occur.