Merge pull request '# OAuth fix' (#402) from oauth_https_fix into master

Reviewed-on: #402

konova/views/oauth.py

@@ -94,11 +94,7 @@ class OAuthCallbackView(View):
         authentication_code = request.GET.get("code")
         oauth_acces_token_url = f"{SSO_SERVER_BASE}o/token/"
 
-        callback_url = request.build_absolute_uri(
+        callback_url = f'{BASE_URL}{reverse("oauth-callback")}'
-            reverse(
-                "oauth-callback"
-            )
-        )
 
         params = {
             "grant_type": "authorization_code",