flake8 fixes

koji/__init__.py

@@ -2775,10 +2775,12 @@ class ClientSession(object):
                 except RequestException as e:
                     _err_res = e.response
                     _err_req = e.request
-                    if _err:
-                        self.logger.error('Response error: %s::%s::%s' % (_err_res.status_code, _err_res.text, str(_err_res)))
+                    if _err_res:
+                        _values = (_err_res.status_code, _err_res.text, str(_err_res))
+                        self.logger.error('Response error: %s::%s::%s' % _values)
                     else:
-                        self.logger.error('Request error: %s::%s::%s' % (_err_req.method, _err_req.url, str(_err_req)))
+                        _values = (_err_req.method, _err_req.url, str(_err_req))
+                        self.logger.error('Request error: %s::%s::%s' % _values)
                     raise
                 except Exception as e:
                     tb_str = ''.join(traceback.format_exception(*sys.exc_info()))

vm/kojikamid.py

@@ -40,7 +40,6 @@ import time
 import traceback
 import zipfile
 from optparse import OptionParser
-
 import xmlrpc.client
 # urllib is required by the SCM class which is substituted into this file
 # do not remove the import below

www/kojiweb/index.py

@@ -176,7 +176,7 @@ def _getServer(environ):
     opts = {
         'serverca': koji_opts.get('KojiHubCA', '')
     }
-    
+
     session = koji.ClientSession(koji_opts['KojiHubURL'], opts=opts)
 
     environ['koji.currentLogin'] = _getUserCookie(environ)