use local import for SchemaVersion

Signed-off-by: Johannes Feichtner <johannes@web-wack.at>

Author: Churro

cyclonedx/model/license.py

@@ -27,13 +27,13 @@
 from xml.etree.ElementTree import Element  # nosec B405
 
 import py_serializable as serializable
-from cyclonedx.schema import SchemaVersion
 from sortedcontainers import SortedSet
 
 from .._internal.bom_ref import bom_ref_from_str as _bom_ref_from_str
 from .._internal.compare import ComparableTuple as _ComparableTuple
 from ..exception.model import MutuallyExclusivePropertiesException
 from ..exception.serialization import CycloneDxDeserializationException
+from ..schema import SchemaVersion
 from ..schema.schema import SchemaVersion1Dot5, SchemaVersion1Dot6, SchemaVersion1Dot7
 from . import AttachedText, Property, XsUri
 from .bom_ref import BomRef