forth: fix import line

cmccandless · cmccandless · commit 5cf1ec25a146 · 2017-10-23T15:14:31.000-05:00
diff --git a/exercises/forth/forth.py b/exercises/forth/forth.py
@@ -1,2 +1,6 @@
+class StackUnderflowError(Exception):
+    pass
+
+
 def evaluate(input_data):
     pass
diff --git a/exercises/forth/forth_test.py b/exercises/forth/forth_test.py
@@ -1,6 +1,6 @@
 import unittest
 
-from example import evaluate, StackUnderflowError
+from forth import evaluate, StackUnderflowError
 
 
 # test cases adapted from `x-common//canonical-data.json` @ version: 1.2.0

-Original file line number
+Diff line change
@@ @@ -1,2 +1,6 @@ @@
 +class StackUnderflowError(Exception):
 +    pass
++
++
 def evaluate(input_data):
     pass