From 1318261fc253e45fca3bdc6fec865f8f8685fb3b Mon Sep 17 00:00:00 2001
From: Ilya Zonov <izonov@gmail.com>
Date: Sun, 18 Mar 2018 13:45:38 +0300
Subject: [PATCH] Clear cache only once

---
 pipenv/core.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pipenv/core.py b/pipenv/core.py
index 7b4d2392..e2bf9d0d 100644
--- a/pipenv/core.py
+++ b/pipenv/core.py
@@ -1188,7 +1188,7 @@ def do_lock(
         which=which,
         verbose=verbose,
         project=project,
-        clear=clear,
+        clear=False,
         pre=pre,
     )
     # Add default dependencies to lockfile.