fix linting issues

Author: mvanderlee

pypika/terms.py

@@ -654,6 +654,7 @@ def __init__(
         if isinstance(table, str):
             # avoid circular import at load time
             from pypika.queries import Table
+
             table = Table(table)
         self.table = table
 

pypika/tests/test_terms.py

@@ -20,7 +20,7 @@ def test_init_with_str_table(self):
         test_table_name = "test_table"
         field = Field(name="name", table=test_table_name)
         self.assertEqual(field.table, Table(name=test_table_name))
-    
+
 
 class FieldHashingTests(TestCase):
     def test_tabled_eq_fields_equally_hashed(self):