better fix for last issue

urlquick.py

@@ -347,11 +347,11 @@ def wipe(self):
     # noinspection PyShadowingNames
     def send(self, request, **kwargs):  # type: (PreparedRequest, ...) -> Response
         max_age = int(request.headers.pop("x-cache-max-age"))
-        urlhash = hash_url(request)
+        urlhash = hash_url(request) if max_age >= 0 else None
         cache = None
 
         # Check if request is already cached and valid
-        if max_age >= 0 and request.method in CACHEABLE_METHODS:
+        if urlhash and request.method in CACHEABLE_METHODS:
             cache = self.get_cache(urlhash, max_age)
             if cache and cache.isfresh:
                 logger.debug("Cache is fresh")
@@ -363,15 +363,14 @@ def send(self, request, **kwargs):  # type: (PreparedRequest, ...) -> Response
 
         # Send request for remote resource
         response = super(CacheHTTPAdapter, self).send(request, **kwargs)
-        return self.process_response(response, cache, urlhash, max_age)
+        return self.process_response(response, cache, urlhash) if urlhash else response
 
     def build_response(self, req, resp):  # type: (PreparedRequest, HTTPResponse) -> Response
         """Replace response object with our customized version."""
         resp = super(CacheHTTPAdapter, self).build_response(req, resp)
         return Response.extend_response(resp)
 
-    def process_response(self, response, cache, urlhash, max_age):
-        # type: (Response, CacheRecord, str, int) -> Response
+    def process_response(self, response, cache, urlhash):  # type: (Response, CacheRecord, str) -> Response
         """Save response to cache if possible."""
         # Check for Not Modified response
         if cache and response.status_code == codes.not_modified:
@@ -381,7 +380,7 @@ def process_response(self, response, cache, urlhash, max_age):
             response = cache.response
 
         # Cache any cacheable responses
-        elif max_age >= 0 and response.request.method in CACHEABLE_METHODS and response.status_code in CACHEABLE_CODES:
+        elif response.request.method in CACHEABLE_METHODS and response.status_code in CACHEABLE_CODES:
             logger.debug("Caching %s %s response", response.status_code, response.reason)
             response = self.set_cache(urlhash, response)