call join_url on url and path

Author: lmossman

airbyte_cdk/sources/declarative/requesters/http_requester.py

@@ -168,7 +168,13 @@ def _get_url(
             next_page_token=next_page_token,
         )
 
-        full_url = self._join_url(url_base, path) if url_base else url + path if path else url
+        full_url = (
+            self._join_url(url_base, path)
+            if url_base
+            else self._join_url(url, path)
+            if path
+            else url
+        )
 
         return full_url