Fix CI failure: bump netcdf4, replace Namespace with standard dict for io.abinit.pseudos (materialsproject#4223)

Author: DanielYang59

pyproject.toml

@@ -87,8 +87,7 @@ Issues = "https://github.com/materialsproject/pymatgen/issues"
 Pypi = "https://pypi.org/project/pymatgen"
 
 [project.optional-dependencies]
-# PR4128: netcdf4 1.7.[0/1] yanked, 1.7.1.post[1/2]/1.7.2 cause CI error
-abinit = ["netcdf4>=1.6.5,!=1.7.1.post1,!=1.7.1.post2,!=1.7.2"]
+abinit = ["netcdf4>=1.7.2"]
 ase = ["ase>=3.23.0"]
 ci = ["pytest-cov>=4", "pytest-split>=0.8", "pytest>=8"]
 docs = ["invoke", "sphinx", "sphinx_markdown_builder", "sphinx_rtd_theme"]

src/pymatgen/io/abinit/pseudos.py

@@ -19,7 +19,7 @@
 from xml.etree import ElementTree as ET
 
 import numpy as np
-from monty.collections import AttrDict, Namespace
+from monty.collections import AttrDict
 from monty.functools import lazy_property
 from monty.itertools import iterator_from_slice
 from monty.json import MontyDecoder, MSONable
@@ -601,7 +601,9 @@ def _dict_from_lines(lines, key_nums, sep=None) -> dict:
     if len(lines) != len(key_nums):
         raise ValueError(f"{lines = }\n{key_nums = }")
 
-    kwargs = Namespace()
+    # TODO: PR 4223: kwargs was using `monty.collections.Namespace`,
+    # revert to original implementation if needed
+    kwargs: dict = {}
 
     for idx, nk in enumerate(key_nums):
         if nk == 0: