Resolve mypy issues in emmet-api

[esoteric-ephemera]

Fixing mypy issues in emmet-api related to the fact that pymatgen's Composition can take Element, Species, and DummySpecies as keys, and only the former two have a name attr that is a str

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 75.00000% with 1 line in your changes missing coverage. Please review.

Project coverage is 90.18%. Comparing base (2746902) to head (9f5a0ef).
Report is 4 commits behind head on main.

Files with missing lines	Patch %	Lines
.../api/routes/materials/materials/query_operators.py	75.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1185   +/-   ##
=======================================
  Coverage   90.18%   90.18%           
=======================================
  Files         147      147           
  Lines       14503    14504    +1     
=======================================
+ Hits        13080    13081    +1     
  Misses       1423     1423           

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[esoteric-ephemera]

@tsmathis and @tschaume ok to merge? There's something up with the latest pymatgen release (2025.1.4) that is also causing problems in atomate2 - need to investigate that to release the version pin