pep8 fixes

alembic/env.py

@@ -15,12 +15,8 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 from __future__ import with_statement
-
-import os
 import sys
 sys.path.append("./")
-
-
 from alembic import context
 from sqlalchemy import engine_from_config, pool
 from logging.config import fileConfig
@@ -44,6 +40,7 @@ target_metadata = None
 # my_important_option = config.get_main_option("my_important_option")
 # ... etc.
 
+
 def run_migrations_offline():
     """Run migrations in 'offline' mode.
 
@@ -62,23 +59,21 @@ def run_migrations_offline():
     with context.begin_transaction():
         context.run_migrations()
 
+
 def run_migrations_online():
     """Run migrations in 'online' mode.
 
     In this scenario we need to create an Engine
-    and associate a connection with the context.
-
-    """
+    and associate a connection with the context."""
     engine = engine_from_config(
-                config.get_section(config.config_ini_section),
-                prefix='sqlalchemy.',
-                poolclass=pool.NullPool)
+        config.get_section(config.config_ini_section),
+        prefix='sqlalchemy.',
+        poolclass=pool.NullPool)
 
     connection = engine.connect()
     context.configure(
-                connection=connection,
-                target_metadata=target_metadata
-                )
+        connection=connection,
+        target_metadata=target_metadata)
 
     try:
         with context.begin_transaction():
@@ -86,6 +81,7 @@ def run_migrations_online():
     finally:
         connection.close()
 
+
 if context.is_offline_mode():
     run_migrations_offline()
 else: