Try to fix breaking changes introduced in pymatgenv2023.10.3

abipy/iotools/__init__.py

@@ -3,18 +3,22 @@
 from __future__ import annotations
 
 import numpy as np
-import pymatgen.io.abinit.netcdf as ionc
+from pymatgen.io.abinit.netcdf import as_etsfreader
+try:
+    from pymatgen.io.abinit.netcdf import ETSF_Reader
+except ImportError:
+    from pymatgen.io.abinit.netcdf import EtsfReader as ETSF_Reader
 
 from monty.functools import lazy_property
 from pymatgen.core.periodic_table import Element
 from .xsf import *
 from .visualizer import *
 
 
-as_etsfreader = ionc.as_etsfreader
+#as_etsfreader = ionc.as_etsfreader
 
 
-class ETSF_Reader(ionc.ETSF_Reader):
+class ETSF_Reader(ETSF_Reader):
     """
     Provides high-level API to read data from netcdf files written
     following the ETSF-IO specifications described in :cite:`Caliste2008`
@@ -28,6 +32,10 @@ def read_structure(self):
         from abipy.core.structure import Structure
         return Structure.from_file(self.path)
 
+    def typeidx_from_symbol(self, symbol: str) -> int:
+        """Returns the type index from the chemical symbol. Note python convention."""
+        return self.chemical_symbols.index(symbol)
+
     # Must overwrite implementation of pymatgen.io.abinit.netcdf
     # due to a possible bug introduced by initial whitespaces in symbol
     @lazy_property