From 8bf64918e36044021b276e4aebf41aac1c76bee3 Mon Sep 17 00:00:00 2001
From: Frost Ming <mianghong@gmail.com>
Date: Fri, 20 Apr 2018 21:19:38 +0800
Subject: [PATCH] Do not destroy lock early

---
 pipenv/core.py    | 2 --
 pipenv/project.py | 8 --------
 2 files changed, 10 deletions(-)

diff --git a/pipenv/core.py b/pipenv/core.py
index 9e761ff7..d8948b4c 100644
--- a/pipenv/core.py
+++ b/pipenv/core.py
@@ -1000,8 +1000,6 @@ def do_lock(
             )
             sys.exit(1)
         cached_lockfile = project.lockfile_content
-    if write:
-        project.destroy_lockfile()
     if write:
         # Alert the user of progress.
         click.echo(
diff --git a/pipenv/project.py b/pipenv/project.py
index 70e05006..ade9cd87 100644
--- a/pipenv/project.py
+++ b/pipenv/project.py
@@ -668,14 +668,6 @@ class Project(object):
             return found_source
         raise SourceNotFound(name or url)
 
-    def destroy_lockfile(self):
-        """Deletes the lockfile."""
-        try:
-            return os.remove(self.lockfile_location)
-
-        except OSError:
-            pass
-
     def get_package_name_in_pipfile(self, package_name, dev=False):
         """Get the equivalent package name in pipfile"""
         key = 'dev-packages' if dev else 'packages'