diff --git a/requirements.txt b/requirements.txt
index 11583fea4..53f9522cc 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,4 +7,4 @@ pyyaml
 fire
 terminaltables
 requests
-click==8.0.4
+click
diff --git a/sahi/scripts/coco_error_analysis.py b/sahi/scripts/coco_error_analysis.py
index d71668c3a..ecaad70f6 100644
--- a/sahi/scripts/coco_error_analysis.py
+++ b/sahi/scripts/coco_error_analysis.py
@@ -248,8 +248,8 @@ def _analyze_individual_category(k, cocoDt, cocoGt, catId, iou_type, areas=None,
     cocoEval.params.useCats = 1
     if areas:
         cocoEval.params.areaRng = [
-            [0 ** 2, areas[2]],
-            [0 ** 2, areas[0]],
+            [0**2, areas[2]],
+            [0**2, areas[0]],
             [areas[0], areas[1]],
             [areas[1], areas[2]],
         ]
@@ -271,8 +271,8 @@ def _analyze_individual_category(k, cocoDt, cocoGt, catId, iou_type, areas=None,
     cocoEval.params.useCats = 1
     if areas:
         cocoEval.params.areaRng = [
-            [0 ** 2, areas[2]],
-            [0 ** 2, areas[0]],
+            [0**2, areas[2]],
+            [0**2, areas[0]],
             [areas[0], areas[1]],
             [areas[1], areas[2]],
         ]
@@ -328,8 +328,8 @@ def _analyse_results(
         cocoEval.params.maxDets = [max_detections]
         if areas is not None:
             cocoEval.params.areaRng = [
-                [0 ** 2, areas[2]],
-                [0 ** 2, areas[0]],
+                [0**2, areas[2]],
+                [0**2, areas[0]],
                 [areas[0], areas[1]],
                 [areas[1], areas[2]],
             ]
diff --git a/sahi/scripts/coco_evaluation.py b/sahi/scripts/coco_evaluation.py
index c6b31e6dc..9cc308c3e 100644
--- a/sahi/scripts/coco_evaluation.py
+++ b/sahi/scripts/coco_evaluation.py
@@ -133,8 +133,8 @@ def evaluate_core(
         cocoEval = COCOeval(cocoGt, cocoDt, iou_type)
         if areas is not None:
             cocoEval.params.areaRng = [
-                [0 ** 2, areas[2]],
-                [0 ** 2, areas[0]],
+                [0**2, areas[2]],
+                [0**2, areas[0]],
                 [areas[0], areas[1]],
                 [areas[1], areas[2]],
             ]
diff --git a/setup.py b/setup.py
index 7930ed089..bcde9dc13 100644
--- a/setup.py
+++ b/setup.py
@@ -36,9 +36,9 @@ def get_version():
     python_requires=">=3.6",
     install_requires=get_requirements(),
     extras_require={
-        "tests": ["mmdet==2.25.1", "pycocotools==2.0.5"],
+        "tests": ["mmdet==2.28.1", "pycocotools==2.0.6"],
         "dev": [
-            "black==21.7b0",
+            "black==22.3.0",
             "flake8==3.9.2",
             "importlib-metadata>=1.1.0,<4.3;python_version<'3.8'",
             "isort==5.9.2",
@@ -51,7 +51,6 @@ def get_version():
         "Intended Audience :: Developers",
         "Intended Audience :: Science/Research",
         "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.6",
         "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",