Fix typo. Thanks to Christian Clauss for the patch (#182).

cclauss · web-flow · commit 3d7aec10555d · 2022-08-28T21:04:59.000+01:00
diff --git a/distlib/markers.py b/distlib/markers.py
@@ -38,7 +38,7 @@ def _get_versions(s):
 
 class Evaluator(object):
     """
-    This class is used to evaluate marker expessions.
+    This class is used to evaluate marker expressions.
     """
 
     operations = {
