Typo (coestring -> codestring) discovered by Mark Hammond.
diff --git a/Lib/py_compile.py b/Lib/py_compile.py
index 7d5837c..c58cc31 100644
--- a/Lib/py_compile.py
+++ b/Lib/py_compile.py
@@ -50,7 +50,7 @@
     codestring = f.read()
     f.close()
     if codestring and codestring[-1] != '\n':
-	coestring = codestring + '\n'
+	codestring = codestring + '\n'
     codeobject = __builtin__.compile(codestring, dfile or file, 'exec')
     if not cfile:
 	cfile = file + (__debug__ and 'c' or 'o')