Add safeguard to operators

FAIRmat-NFDI · Oct 16, 2024 · 49bfd97 · 49bfd97
1 parent 9b71e4a
commit 49bfd97
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/src/nomad_parser_vasp/parsers/xml_parser.py b/src/nomad_parser_vasp/parsers/xml_parser.py
@@ -22,12 +22,12 @@
 
 class RunXMLParser(XMLParser):
     @staticmethod
-    def mix_alpha(mix, cond):
+    def mix_alpha(mix: float, cond: bool) -> float:
         return mix if cond else 0
 
     @staticmethod
-    def get_eigenvalues(array):
-        return np.array(array).T[1]
+    def get_eigenvalues(array: list) -> np.ndarray:
+        return np.array(array).T[1] if array is not None else np.array([])
 
 
 class VasprunXMLParser: