Black + simple test

safe/converter.py

@@ -333,8 +333,12 @@ def encoder(
             # we cannot have anything of the form "\([@=-#-$/\]*\d+\)"
             attach_regexp = re.compile(r"(" + re.escape(attach) + r")")
             # check if we have at least 2 matches, if not, we have a dummy
-            n_matches= len(attach_regexp.findall(scaffold_str))
-            scaffold_str = attach_regexp.sub(val, scaffold_str) if n_matches > 1 else scaffold_str.replace(attach, "*")
+            n_matches = len(attach_regexp.findall(scaffold_str))
+            scaffold_str = (
+                attach_regexp.sub(val, scaffold_str)
+                if n_matches > 1
+                else scaffold_str.replace(attach, "*")
+            )
             starting_num += 1
         # now we need to remove all the parenthesis around digit only number
         wrong_attach = re.compile(r"\(([\%\d]*)\)")

tests/test_safe.py

@@ -85,6 +85,7 @@ def test_rdkit_smiles_parser_issues():
         "c1cc2c(cc1[C@@H]1CCC[NH2+]1)OCCO2",
         "[13C]1CCCCC1C[238U]C[NH3+]",
         "COC[CH2:1][CH2:2]O[CH:2]C[OH:3]",
+        "C1*CCC1COO",
     ],
 )
 def test_bracket_smiles_issues(input_sm):