Merge pull request #885 from SabrineBH/fix_logger_issue_in_Signal_class

Update Signal.py

Author: ebroecker

src/canmatrix/Signal.py

@@ -28,12 +28,16 @@
 import attr
 from decimal import Decimal as DefaultFloatFactory
 import typing
+import logging
 
 import canmatrix.types
 import canmatrix.exceptions
 from canmatrix.utils import normalize_value_table
 from canmatrix.FloatFactory import FloatFactory
 
+
+logger = logging.getLogger(__name__)
+
 @attr.s(eq=False)
 class Signal(object):
     """