use requests.Session()

Author: geetu040

openml/_api/clients/http.py

@@ -278,6 +278,7 @@ def _validate_response(
 
     def _request(  # noqa: PLR0913
         self,
+        session: requests.Session,
         method: str,
         url: str,
         params: Mapping[str, Any],
@@ -291,7 +292,7 @@ def _request(  # noqa: PLR0913
         response: Response | None = None
 
         try:
-            response = requests.request(
+            response = session.request(
                 method=method,
                 url=url,
                 params=params,
@@ -357,8 +358,10 @@ def request(
             except Exception:
                 raise  # propagate unexpected cache errors
 
+        session = requests.Session()
         for retry_counter in range(1, retries + 1):
             response, retry_raise_e = self._request(
+                session=session,
                 method=method,
                 url=url,
                 params=params,
@@ -379,6 +382,8 @@ def request(
             delay = self.retry_func(retry_counter)
             time.sleep(delay)
 
+        session.close()
+
         assert response is not None
 
         if use_cache and self.cache is not None: