fix imports

util/ghidrathon_configure.py

@@ -6,7 +6,7 @@
 #  is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and limitations under the License.
 
-import importlib
+import importlib.util
 import argparse
 import pathlib
 import logging