ty: un-ignore unsupported-operator rule

computer_vision/mean_threshold.py

@@ -13,15 +13,20 @@ def mean_threshold(image: Image.Image) -> Image.Image:
     height, width = image.size
     mean = 0
     pixels = image.load()
+    if pixels is None:
+        raise ValueError("image does not support pixel access")
     for i in range(width):
         for j in range(height):
             pixel = pixels[j, i]
+            assert isinstance(pixel, int | float)  # grayscale images only
             mean += pixel
     mean //= width * height
 
     for j in range(width):
         for i in range(height):
-            pixels[i, j] = 255 if pixels[i, j] > mean else 0
+            pixel = pixels[i, j]
+            assert isinstance(pixel, int | float)  # grayscale images only
+            pixels[i, j] = 255 if pixel > mean else 0
     return image
 
 

pyproject.toml

@@ -325,7 +325,6 @@ rules.not-subscriptable = "ignore"
 rules.parameter-already-assigned = "ignore"
 rules.unresolved-attribute = "ignore"
 rules.unresolved-import = "ignore"
-rules.unsupported-operator = "ignore"
 
 [tool.pytest]
 ini_options.addopts = [

sorts/iterative_merge_sort.py

@@ -16,6 +16,7 @@
 
 class Comparable(Protocol):
     def __lt__(self, other: Any, /) -> bool: ...
+    def __le__(self, other: Any, /) -> bool: ...
 
 
 def merge[T: Comparable](input_list: list[T], low: int, mid: int, high: int) -> list[T]:

sorts/quick_sort_3_partition.py

@@ -4,6 +4,7 @@
 
 class Comparable(Protocol):
     def __lt__(self, other: Any, /) -> bool: ...
+    def __ge__(self, other: Any, /) -> bool: ...
 
 
 def quick_sort_3partition[T: Comparable](

sorts/recursive_quick_sort.py

@@ -13,6 +13,7 @@
 
 class Comparable(Protocol):
     def __ge__(self, other: Any, /) -> bool: ...
+    def __gt__(self, other: Any, /) -> bool: ...
     def __le__(self, other: Any, /) -> bool: ...
 
 

web_programming/get_amazon_product_data.py

@@ -57,7 +57,7 @@ def get_amazon_product_data(product: str = "laptop") -> DataFrame:
     ):
         try:
             product_title = item.h2.text
-            product_link = "https://www.amazon.in/" + item.h2.a["href"]
+            product_link = f"https://www.amazon.in/{item.h2.a['href']}"
             product_price = item.find("span", attrs={"class": "a-offscreen"}).text
             try:
                 product_rating = item.find("span", attrs={"class": "a-icon-alt"}).text