Fix linter issues

Author: lpozo

python-first-steps/imports.py

@@ -1,11 +1,9 @@
 import math  # Module import
+from math import pi as PI  # Import with alias
+from math import sqrt  # Function import
 
 print(math.sqrt(16))
 
-from math import sqrt  # Function import
-
 print(sqrt(25))
 
-from math import pi as PI  # Import with alias
-
 print(PI)