add filter for number before atom type

MDAnalysis · Jun 14, 2023 · 342d9a8 · 342d9a8
1 parent a37728f
commit 342d9a8
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/package/MDAnalysis/topology/guessers.py b/package/MDAnalysis/topology/guessers.py
@@ -204,7 +204,8 @@ def guess_atom_element(atomname):
     except KeyError:
         # strip symbols and numbers
         no_symbols = re.sub(SYMBOLS, '', atomname)
-        name = re.split(NUMBERS, no_symbols)[0]
+        no_numbers = re.split(NUMBERS, no_symbols)
+        name = list(filter(None, no_numbers))[0]
 
         # just in case
         if name in tables.atomelements: