Remove HTTP 304 checks

gitmon/api.py

@@ -33,7 +33,7 @@ class GitHubApi:
         """GET an HTTP resource and return JSON."""
         url = self.base_url + endpoint
 
-        # Check rate limits
+        # Check rate limits and sleep if exceeded
         if self.rate_remaining == 0 and self.rate_reset > datetime.now():
             logger.warning(f'Out of API calls. Sleeping until {self.rate_reset}.')
             delta = self.rate_reset - datetime.now()
@@ -45,10 +45,6 @@ class GitHubApi:
             logger.warning(f'Failed to execute GET request: {str(e)}')
             return None
 
-        # 304 Not Modified
-        if response.status_code == '304':
-            return None
-
         self.__parse_headers(response.headers)
         return response.json()