Fix test: tests/test_builtin_adapters.py

src/py-opentimelineio/opentimelineio/plugins/python_plugin.py

@@ -7,7 +7,7 @@
 import inspect
 import collections
 import copy
-import importlib
+import importlib.util
 
 from .. import (
     core,
@@ -107,7 +107,23 @@ def module_abs_path(self):
     def _imported_module(self, namespace):
         """Load the module this plugin points at."""
 
-        return importlib.import_module(f"opentimelineio.{namespace}.{self.name}")
+        pyname = os.path.splitext(os.path.basename(self.module_abs_path()))[0]
+        pydir = os.path.dirname(self.module_abs_path())
+        module_name = f"opentimelineio.{namespace}.{self.name}"
+        try:
+            # Attempt to import the module using importlib first
+            mod = importlib.import_module(module_name)
+        except ImportError:
+            # If the module couldn't be imported, import it manually
+            spec = importlib.util.spec_from_file_location(
+                f"opentimelineio.{namespace}.{self.name}",
+                os.path.join(pydir, f"{pyname}.py"),
+            )
+
+            mod = importlib.util.module_from_spec(spec)
+            spec.loader.exec_module(mod)
+
+        return mod
 
     def module(self):
         """Return the module object for this adapter. """