Update cp2k_output_tools/blocks/energies.py

Co-authored-by: Tiziano Müller <[email protected]>

cp2k_output_tools/blocks/energies.py

@@ -39,7 +39,7 @@ def match_energies(content: str) -> Optional[BlockMatch]:
     match = FORCE_EVAL_ENERGY_RE.search(content)
     if match:
         energies["total force_eval"] = match["value"]
-        spans += match.spans(0)
+        spans += [match.spans(0)]
     if not energies:
         return None
     return BlockMatch({"energies": {key: float(val) for key, val in energies.items() if val is not None}}, spans)