Adjust improts to new exception location

freqtrade/optimize/__init__.py

@@ -1,11 +1,11 @@
 import logging
 from typing import Any, Dict
 
-from freqtrade import DependencyException, constants, OperationalException
+from freqtrade import constants
+from freqtrade.exceptions import DependencyException, OperationalException
 from freqtrade.state import RunMode
 from freqtrade.utils import setup_utils_configuration
 
-
 logger = logging.getLogger(__name__)