Send user-agent on login

couchpotato/core/providers/base.py

@@ -104,7 +104,7 @@ class YarrProvider(Provider):
         try:
             cookiejar = cookielib.CookieJar()
             opener = urllib2.build_opener(urllib2.HTTPCookieProcessor(cookiejar))
-            opener.addheaders = []
+            opener.addheaders = [('User-Agent', self.user_agent)]
             urllib2.install_opener(opener)
             log.info2('Logging into %s', self.urls['login'])
             f = opener.open(self.urls['login'], self.getLoginParams())
@@ -114,9 +114,12 @@ class YarrProvider(Provider):
             if self.loginSuccess(output):
                 self.login_opener = opener
                 return True
-        except:
-            log.error('Failed to login %s: %s', (self.getName(), traceback.format_exc()))
 
+            error = 'unknown'
+        except:
+            error = traceback.format_exc()
+
+        log.error('Failed to login %s: %s', (self.getName(), error))
         return False
 
     def loginSuccess(self, output):