fixed black formatting

Author: A-Baji

datajoint/expression.py

@@ -342,11 +342,11 @@ def proj(self, *attributes, **named_attributes):
         """
         # new attributes in parentheses are included again with the new name without removing original
         duplication_pattern = re.compile(
-            fr'^\s*\(\s*(?!{"|".join(CONSTANT_LITERALS)})(?P<name>[a-zA-Z_]\w*)\s*\)\s*$'
+            rf'^\s*\(\s*(?!{"|".join(CONSTANT_LITERALS)})(?P<name>[a-zA-Z_]\w*)\s*\)\s*$'
         )
         # attributes without parentheses renamed
         rename_pattern = re.compile(
-            fr'^\s*(?!{"|".join(CONSTANT_LITERALS)})(?P<name>[a-zA-Z_]\w*)\s*$'
+            rf'^\s*(?!{"|".join(CONSTANT_LITERALS)})(?P<name>[a-zA-Z_]\w*)\s*$'
         )
         replicate_map = {
             k: m.group("name")

datajoint/settings.py

@@ -239,12 +239,12 @@ def __getitem__(self, key):
 
         def __setitem__(self, key, value):
             logger.log(
-                logging.INFO, u"Setting {0:s} to {1:s}".format(str(key), str(value))
+                logging.INFO, "Setting {0:s} to {1:s}".format(str(key), str(value))
             )
             if validators[key](value):
                 self._conf[key] = value
             else:
-                raise DataJointError(u"Validator for {0:s} did not pass".format(key))
+                raise DataJointError("Validator for {0:s} did not pass".format(key))
 
 
 # Load configuration from file

datajoint/table.py

@@ -866,7 +866,7 @@ def check_fields(fields):
                     for field in fields:
                         if field not in self.heading:
                             raise KeyError(
-                                u"`{0:s}` is not in the table heading".format(field)
+                                "`{0:s}` is not in the table heading".format(field)
                             )
             elif set(field_list) != set(fields).intersection(self.heading.names):
                 raise DataJointError("Attempt to insert rows with different fields.")