teos - moves errors to common so it can be used by clients

test/teos/unit/test_api.py

@@ -3,7 +3,7 @@ from shutil import rmtree
 from binascii import hexlify
 
 from teos.api import API
-import teos.errors as errors
+import common.errors as errors
 from teos.watcher import Watcher
 from teos.inspector import Inspector
 from teos.gatekeeper import UserInfo

test/teos/unit/test_inspector.py

@@ -1,7 +1,7 @@
 import pytest
 from binascii import unhexlify
 
-import teos.errors as errors
+import common.errors as errors
 from teos.block_processor import BlockProcessor
 from teos.inspector import Inspector, InspectionFailed
 from teos.extended_appointment import ExtendedAppointment