Apply isort to freqtrade codebase

freqtrade/persistence/__init__.py

@@ -1,4 +1,3 @@
 # flake8: noqa: F401
 
-from freqtrade.persistence.models import (Order, Trade, clean_dry_run_db,
-                                          cleanup, init)
+from freqtrade.persistence.models import Order, Trade, clean_dry_run_db, cleanup, init

freqtrade/persistence/migrations.py

@@ -3,6 +3,7 @@ from typing import List
 
 from sqlalchemy import inspect
 
+
 logger = logging.getLogger(__name__)
 
 

freqtrade/persistence/models.py

@@ -7,8 +7,8 @@ from decimal import Decimal
 from typing import Any, Dict, List, Optional
 
 import arrow
-from sqlalchemy import (Boolean, Column, DateTime, Float, ForeignKey, Integer,
-                        String, create_engine, desc, func, inspect)
+from sqlalchemy import (Boolean, Column, DateTime, Float, ForeignKey, Integer, String,
+                        create_engine, desc, func, inspect)
 from sqlalchemy.exc import NoSuchModuleError
 from sqlalchemy.ext.declarative import declarative_base
 from sqlalchemy.orm import Query, relationship
@@ -21,6 +21,7 @@ from freqtrade.exceptions import DependencyException, OperationalException
 from freqtrade.misc import safe_value_fallback
 from freqtrade.persistence.migrations import check_migrate
 
+
 logger = logging.getLogger(__name__)