Used .env variables for sfapi client id and private key in bl7012 Con…

…fig7012 class

orchestration/flows/bl7012/config.py

@@ -3,20 +3,19 @@
 from orchestration import globus
 from ptycho_nersc import NerscPtychoClient
 
+import os
 
 class Config7012:
     def __init__(
         self,
-        path_client_id,
-        path_priv_key,
     ) -> None:
         config = globus.get_config()
         self.endpoints = globus.build_endpoints(config)
         self.apps = globus.build_apps(config)
         self.tc: TransferClient = globus.init_transfer_client(self.apps["als_transfer"])
         self.nersc = NerscPtychoClient(
-            path_client_id,
-            path_priv_key,
+            os.getenv("PATH_NERSC_ID"),
+            os.getenv("PATH_NERSC_PRI_KEY"),
         )
         self.nersc7012 = self.endpoints["nersc7012"]
         self.data7012 = self.endpoints["data7012"]