regex mismatch

Author: A-Baji

datajoint/declare.py

@@ -443,12 +443,10 @@ def format_attribute(attr):
             return f"`{attr}`"
         return f"({attr})"
 
-    try:
-        match = re.match(
-            r"(?P<unique>unique\s+)?index\s*\(\s*(?P<args>.*)\)", line, re.I
-        ).groupdict()
-    except AttributeError:
+    match = re.match(r"(?P<unique>unique\s+)?index\s*\(\s*(?P<args>.*)\)", line, re.I)
+    if match is None:
         raise DataJointError(f'Table definition syntax error in line "{line}"')
+    match = match.groupdict()
 
     attr_list = re.findall(r"(?:[^,(]|\([^)]*\))+", match["args"])
     index_sql.append(

tests_old/test_declare.py

@@ -341,3 +341,12 @@ class WithSuchALongPartNameThatItCrashesMySQL(dj.Part):
                 definition = """
                 -> (master)
                 """
+
+    @staticmethod
+    @raises(dj.DataJointError)
+    def test_regex_mismatch():
+        @schema
+        class IndexAttribute(dj.Manual):
+            definition = """
+            index: int
+            """