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

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

Author: pre-commit-ci[bot]

data_structures/arrays/pascals_triangle.py

@@ -10,6 +10,7 @@
 In Pascal's triangle, each number is the sum of the two numbers directly above it.
 """
 
+
 class Solution:
     def generate(self, num_rows: int) -> list[list[int]]:
         """
@@ -36,10 +37,12 @@ def generate(self, num_rows: int) -> list[list[int]]:
             row = [1] * (i + 1)
             # Compute inner elements by summing elements from the previous row
             for j in range(1, i):
-                row[j] = ans[i-1][j-1] + ans[i-1][j]
+                row[j] = ans[i - 1][j - 1] + ans[i - 1][j]
             ans.append(row)
         return ans
 
+
 if __name__ == "__main__":
     import doctest
+
     doctest.testmod()