Stop using imp module it's deprecated since python 3.4 and removed in…

… python 3.12

Signed-off-by: Evan Blaudy <[email protected]>

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

@@ -7,7 +7,7 @@
 import inspect
 import collections
 import copy
-import importlib.util
+import importlib
 
 from .. import (
     core,
@@ -107,18 +107,8 @@ def module_abs_path(self):
     def _imported_module(self, namespace):
         """Load the module this plugin points at."""
 
-        pyname = os.path.splitext(os.path.basename(self.module_abs_path()))[0]
-        pydir = os.path.dirname(self.module_abs_path())
+        return importlib.import_module(f"opentimelineio.{namespace}.{self.name}")
 
-        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. """