Ignore unused fixture imports

Author: jdtzmn

pyteal/ast/pragma_test.py

@@ -1,5 +1,5 @@
 import pytest
-from tests.mock_version import mock_version
+from tests.mock_version import mock_version  # noqa: F401
 
 import pyteal as pt
 

pyteal/pragma/pragma_test.py

@@ -1,6 +1,8 @@
 import pytest
 import pkg_resources
-from tests.mock_version import mock_version
+from tests.mock_version import (
+    mock_version,
+)  # noqa: F401; pylint: disable=unused-variable
 
 import pyteal as pt
 from pyteal.pragma.pragma import __convert_pep440_compiler_version