Merge pull request #214 from jslay88/patch-1

Use relative path for `api.specs_url`.

Fix #188

Author: ziirish

flask_restx/api.py

@@ -503,11 +503,11 @@ def endpoint(self, name):
     @property
     def specs_url(self):
         """
-        The Swagger specifications absolute url (ie. `swagger.json`)
+        The Swagger specifications relative url (ie. `swagger.json`)
 
         :rtype: str
         """
-        return url_for(self.endpoint("specs"), _external=True)
+        return url_for(self.endpoint("specs"))
 
     @property
     def base_url(self):