diff --git a/codes/trainer/networks.py b/codes/trainer/networks.py
index e0733ffe..a68a2ee9 100644
--- a/codes/trainer/networks.py
+++ b/codes/trainer/networks.py
@@ -37,8 +37,9 @@ def find_registered_model_fns(base_path='models'):
     found_fns = {}
     module_iter = pkgutil.walk_packages([base_path])
     for mod in module_iter:
-        if os.getcwd() not in mod.module_finder.path:
-            continue   # I have no idea why this is necessary - I think it's a bug in the latest PyWindows release.
+        if os.name == 'nt':
+            if os.getcwd() not in mod.module_finder.path:
+                continue   # I have no idea why this is necessary - I think it's a bug in the latest PyWindows release.
         if mod.ispkg:
             EXCLUSION_LIST = ['flownet2']
             if mod.name not in EXCLUSION_LIST: