diff --git a/tools/upip.py b/tools/upip.py
index 0070fd6195..a156340b20 100644
--- a/tools/upip.py
+++ b/tools/upip.py
@@ -275,6 +275,8 @@ def main():
                     l = f.readline()
                     if not l:
                         break
+                    if l[0] == "#":
+                        continue
                     to_install.append(l.rstrip())
         elif opt == "--debug":
             debug = True