style: Fix linting issues

- Break long line in get_columns_sql for col_description
- Remove unused variable 'quote' in dependencies.py

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: dimitri-yatsenko

src/datajoint/adapters/postgres.py

@@ -309,6 +309,7 @@ def core_type_to_sql(self, core_type: str) -> str:
                 # Generate a deterministic type name based on values
                 # Use a hash to keep name reasonable length
                 import hashlib
+
                 value_hash = hashlib.md5("_".join(sorted(values)).encode()).hexdigest()[:8]
                 type_name = f"enum_{value_hash}"
                 # Track this enum type for CREATE TYPE DDL
@@ -703,13 +704,16 @@ def get_columns_sql(self, schema_name: str, table_name: str) -> str:
         """Query to get column definitions including comments."""
         # Use col_description() to retrieve column comments stored via COMMENT ON COLUMN
         # The regclass cast allows using schema.table notation to get the OID
+        schema_str = self.quote_string(schema_name)
+        table_str = self.quote_string(table_name)
+        regclass_expr = f"({schema_str} || '.' || {table_str})::regclass"
         return (
             f"SELECT c.column_name, c.data_type, c.is_nullable, c.column_default, "
             f"c.character_maximum_length, c.numeric_precision, c.numeric_scale, "
-            f"col_description(({self.quote_string(schema_name)} || '.' || {self.quote_string(table_name)})::regclass, c.ordinal_position) as column_comment "
+            f"col_description({regclass_expr}, c.ordinal_position) as column_comment "
             f"FROM information_schema.columns c "
-            f"WHERE c.table_schema = {self.quote_string(schema_name)} "
-            f"AND c.table_name = {self.quote_string(table_name)} "
+            f"WHERE c.table_schema = {schema_str} "
+            f"AND c.table_name = {table_str} "
             f"ORDER BY c.ordinal_position"
         )
 

src/datajoint/dependencies.py

@@ -153,7 +153,6 @@ def load(self, force: bool = True) -> None:
 
         # Get adapter for backend-specific SQL generation
         adapter = self._conn.adapter
-        quote = adapter.quote_identifier
 
         # Build schema list for IN clause
         schemas_list = ", ".join(adapter.quote_string(s) for s in self._conn.schemas)