1 files changed, 6 insertions, 0 deletions
diff --git a/pkg_resources.py b/pkg_resources.py
index 7c3bdccd..5514a099 100644
--- a/pkg_resources.py
+++ b/pkg_resources.py
@@ -1271,9 +1271,15 @@ def normalize_exception(exc):
     """
     Given a SyntaxError from a marker evaluation, normalize the error message:
      - Remove indications of filename and line number.
+     - Replace platform-specific error messages with standard error messages.
     """
+    subs = {
+        'unexpected EOF while parsing': 'invalid syntax',
+        'parenthesis is never closed': 'invalid syntax',
+    }
     exc.filename = None
     exc.lineno = None
+    exc.msg = subs.get(exc.msg, exc.msg)
     return exc