Merge pull request #1246 from mattwthompson/no-importlib-backport

Drop `importlib.resources` backport

Author: chrisjonesBSU

docs/docs-env.yml

@@ -5,7 +5,6 @@ channels:
 dependencies:
   - ele
   - numpy
-  - importlib_resources
   - python=3.11
   - ipython
   - boltons

environment-dev.yml

@@ -40,7 +40,6 @@ dependencies:
   - symengine
   - python-symengine
   - hoomd>=4.0,<5.0
-  - importlib_resources
   - pip:
       - git+https://github.com/mosdef-hub/gmso.git@main
       - git+https://github.com/mosdef-hub/foyer.git@main

environment.yml

@@ -14,4 +14,3 @@ dependencies:
   - scipy
   - networkx
   - treelib
-  - importlib_resources

mbuild/utils/io.py

@@ -26,10 +26,9 @@
 import sys
 import textwrap
 import warnings
+from importlib.resources import files
 from unittest import SkipTest
 
-import importlib_resources as resources
-
 
 class DelayImportError(ImportError, SkipTest):
     """Error to allow better import handling."""
@@ -362,8 +361,8 @@ def get_fn(name):
     name : str
         Name of the file to load (with respect to the reference/ folder).
     """
-    fn = resources.files("mbuild").joinpath("utils", "reference", name)
-    # fn = resource_filename("mbuild", os.path.join("utils", "reference", name))
+    fn = files("mbuild").joinpath("utils", "reference", name)
+
     if not os.path.exists(fn):
         raise IOError(f"Sorry! {fn} does not exists.")
     return str(fn)