moved import to top of class

calculator.py

@@ -1,5 +1,7 @@
 
 class Calculator():
+    from math import log
+
     def __init__(self):
         self.total = 0.0
         self.actions = []
@@ -75,8 +77,6 @@ class Calculator():
         self.actions.append(f" = {self.total}")
      
     def log(self, val):
-        from math import log
-
         print(log(val))
         self.actions.append(f"log({val})")