Exclude builtin test.support modules from being loaded with Operation…

… Modules (#2299)

mantidimaging/core/operations/loader.py

@@ -21,6 +21,9 @@ def _find_operation_modules() -> list[BaseFilterClass]:
             continue
 
         if getattr(sys, 'frozen', False):
+            # Need to prevent importing standard library test modules found by pkgutil
+            if "test.support" in module_name:
+                continue
             # If we're running a PyInstaller executable then we need to use a full module path
             module_name = f'mantidimaging.core.operations.{module_name}'
 

packaging/PackageWithPyInstaller.py

@@ -38,7 +38,10 @@ def add_hidden_imports(run_options):
     path_to_operations = Path(__file__).parent.parent.joinpath('mantidimaging/core/operations')
     # COMPAT python 3.10 won't accept a Path: github.com/python/cpython/issues/88227
     for _, ops_module, _ in pkgutil.walk_packages([str(path_to_operations)]):
-        imports.append(f'mantidimaging.core.operations.{ops_module}')
+        # stop non-existent Hidden Imports
+        # https://github.com/mantidproject/mantidimaging/issues/2298
+        if "test.support" not in ops_module:
+            imports.append(f'mantidimaging.core.operations.{ops_module}')
 
     run_options.extend([f'--hidden-import={name}' for name in imports])