Fix incorrect import in upgradeability check

slither/tools/upgradeability/__main__.py

@@ -13,7 +13,6 @@ from slither.utils.output import output_to_json
 from .checks import all_checks
 from .checks.abstract_checks import AbstractCheck
 from .utils.command_line import output_detectors_json, output_wiki, output_detectors, output_to_markdown
-from ...utils.command_line import output_detectors_json
 
 logging.basicConfig()
 logger = logging.getLogger("Slither")

slither/tools/upgradeability/utils/command_line.py

@@ -89,8 +89,6 @@ def output_to_markdown(detector_classes, filter_wiki):
         idx = idx + 1
 
 
-
-
 def output_detectors_json(detector_classes):
     detectors_list = []
     for detector in detector_classes: