update to pdm and fix tests

Makefile

@@ -1,20 +1,5 @@
-MAKEFILE_DIR=$(realpath $(dir $(firstword $(MAKEFILE_LIST))))
-
-CONDA_ENV:=${MAKEFILE_DIR}/.conda_env
-REPO_NAME:=mkreports
-
-# ENVIRONMENT
-create-base-env:
-	conda env create --prefix ${CONDA_ENV} --file conda_env.yaml \
-	&& conda run --prefix ${CONDA_ENV} flit install -s
-
-lock-env:
-	conda env export --prefix ${CONDA_ENV} | grep -v ${REPO_NAME} > conda_env.lock.yaml
-
-create-lock-env:
-	conda env create --prefix ${CONDA_ENV} --file conda_env.lock.yaml \
-	&& conda run --prefix ${CONDA_ENV} flit install -s
-
+.ONESHELL:
+.PHONY: create-mkdocs create-mkdocs-del create-site serve-mkdocs
 
 # REPO
 create-mkdocs:

mkreports/md/file.py

@@ -1,21 +1,16 @@
 import hashlib
+import importlib.resources as imp_res
 import shutil
 import sys
 from os.path import relpath
 from pathlib import Path
 from typing import Optional, Set, Union
 
 import attrs
-import importlib_resources as imp_res
 
 from .base import MdObj, NotRenderedError, RenderedMd, func_kwargs_as_set
 from .md_proxy import register_md
 
-if sys.version_info < (3, 9):
-    import importlib_resources as imp_res
-else:
-    import importlib.resources as imp_res
-
 
 def true_stem(path: Path) -> str:
     """True stem of a path, without all suffixes, not just last."""