[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

machine_learning/cnn.py

@@ -42,7 +42,7 @@ def convolve(self, x: np.ndarray, filters: np.ndarray) -> np.ndarray:
         for f in range(num_filters):
             for i in range(height - fh + 1):
                 for j in range(width - fw + 1):
-                    region = x[:, i:i + fh, j:j + fw]
+                    region = x[:, i : i + fh, j : j + fw]
                     output[f, i, j] = np.sum(region * filters[f])
         return output
 
@@ -64,4 +64,4 @@ def forward(self, x: np.ndarray) -> np.ndarray:
         activated = self.relu(conv_out)
         flattened = self.flatten(activated)
         logits = flattened @ self.fc_weights
-        return logits
+        return logits