Minor code fix

sort.py

@@ -29,10 +29,10 @@ def sort_blocks():
 
     # Sorting the libraries
     inner_blocks = sorted(blocks[0].split('##'))
-    for i in range(1 , len(inner_blocks)):
+    for i in range(1, len(inner_blocks)):
         if inner_blocks[i][0] != '#':
             inner_blocks[i] = '##' + inner_blocks[i]
-    inner_blocks=''.join(inner_blocks)
+    inner_blocks = ''.join(inner_blocks)
 
     # Replacing the non-sorted libraries by the sorted ones and gathering all at the final_README file
     blocks[0] = inner_blocks
@@ -68,7 +68,9 @@ def main():
 
     with open('README.md', 'w+') as sorted_file:
         # Then all of the blocks are sorted individually
-        blocks = [''.join(sorted(block, key=lambda s: s.lower())) for block in blocks]
+        blocks = [
+            ''.join(sorted(block, key=str.lower)) for block in blocks
+        ]
         # And the result is written back to README.md
         sorted_file.write(''.join(blocks))