fix ci testing

Author: zm711

neo/test/rawiotest/common_rawio_test.py

@@ -19,19 +19,21 @@
 
 import logging
 import unittest
+import importlib.util
+import warnings
 
 from neo.utils.datasets import download_dataset, get_local_testing_data_folder, default_testing_repo
 
 from neo.test.rawiotest.tools import can_use_network
 
 from neo.test.rawiotest import rawio_compliance as compliance
 
-try:
-    import datalad
-
+datalad_spec = importlib.util.find_spec("datalad")
+if datalad_spec is not None:
     HAVE_DATALAD = True
-except:
+else:
     HAVE_DATALAD = False
+    warnings.warn("datalad failure")
 
 # url_for_tests = "https://portal.g-node.org/neo/" #This is the old place
 repo_for_test = default_testing_repo

neo/test/rawiotest/tools.py

@@ -4,6 +4,8 @@
 
 import logging
 import os
+import importlib.util
+
 
 logger = logging.getLogger("neo.test")
 
@@ -13,14 +15,18 @@ def can_use_network():
     Return True if network access is allowed
     """
 
+    # env variable for local dev
     if os.environ.get("NEO_TESTS_NO_NETWORK", False):
         return False
-    try:
-        import datalad
-
+    
+    # check for datalad presence
+    datalad_spec = importlib.util.find_spec("datalad")
+    if datalad_spec is not None:
         HAVE_DATALAD = True
-    except:
+    else:
         HAVE_DATALAD = False
+
     if not HAVE_DATALAD:
         return False
+    
     return True