Try to fix the deployment 39

Signed-off-by: Lukasz Gryglicki <[email protected]>

Author: lukaszgryglicki

cla-backend/cla/config.py

@@ -13,12 +13,12 @@
 import logging
 import os
 import sys
-from multiprocessing.pool import ThreadPool
-from multiprocessing import set_start_method
 
 from boto3 import client
 from botocore.exceptions import ClientError, ProfileNotFound, NoCredentialsError
 
+from concurrent.futures import ThreadPoolExecutor
+
 region = "us-east-1"
 ssm_client = client('ssm', region_name=region)
 
@@ -197,11 +197,9 @@ def _load_single_key(key):
     ]
 
     # thread pool of 7 to load fetch the keys
-    set_start_method("spawn")
-    pool = ThreadPool(7)
-    results = pool.map(_load_single_key, keys)
-    pool.close()
-    pool.join()
+    with ThreadPoolExecutor(max_workers=7) as executor:
+        results = list(executor.map(_load_single_key, keys))
+    logging.warning(f"got {len(results)} keys")
 
     # set the variable values at the module level so can be imported as cla.config.{VAR_NAME}
     for config_key, result in zip(config_keys, results):