From db7164d988cb4f82198e8f03d7cac9580258d271 Mon Sep 17 00:00:00 2001
From: jxltom <jxltom@gmail.com>
Date: Tue, 6 Nov 2018 12:40:44 +0800
Subject: [PATCH 1/3] Skip purging if there is no packages needs to be removed

---
 pipenv/core.py | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/pipenv/core.py b/pipenv/core.py
index 2091bd08..1922b28f 100644
--- a/pipenv/core.py
+++ b/pipenv/core.py
@@ -1158,6 +1158,13 @@ def do_purge(bare=False, downloads=False, allow_global=False):
         click.echo(
             fix_utf8("Found {0} installed package(s), purging…".format(len(to_remove)))
         )
+    
+    # Skip purging if there is no packages which needs to be removed
+    if not to_remove:
+        if not bare:
+            click.echo(crayons.green("Environment now purged and fresh!"))
+        return installed
+
     command = "{0} uninstall {1} -y".format(
         escape_grouped_arguments(which_pip(allow_global=allow_global)),
         " ".join(to_remove),

From e53391fd49aba7663e24d747b53c8f808225e668 Mon Sep 17 00:00:00 2001
From: jxltom <jxltom@gmail.com>
Date: Tue, 6 Nov 2018 12:46:52 +0800
Subject: [PATCH 2/3] Add feature news for issue 3170

---
 news/3170.feature | 1 +
 1 file changed, 1 insertion(+)
 create mode 100644 news/3170.feature

diff --git a/news/3170.feature b/news/3170.feature
new file mode 100644
index 00000000..b8bc5218
--- /dev/null
+++ b/news/3170.feature
@@ -0,0 +1 @@
+Do not show error but success for running pipenv uninstall --all in a fresh virtuanlenv

From 7b18c124488d0f9fbb652ca0e14d95b03b36b1e2 Mon Sep 17 00:00:00 2001
From: jxltom <jxltom@gmail.com>
Date: Tue, 6 Nov 2018 17:55:54 +0800
Subject: [PATCH 3/3] Add explicit message if there is nothing to be removed
 during uninstall

---
 pipenv/core.py | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/pipenv/core.py b/pipenv/core.py
index 1922b28f..8636dfd4 100644
--- a/pipenv/core.py
+++ b/pipenv/core.py
@@ -1154,16 +1154,17 @@ def do_purge(bare=False, downloads=False, allow_global=False):
     # Remove setuptools, pip, etc from targets for removal
     to_remove = installed - bad_pkgs
 
+    # Skip purging if there is no packages which needs to be removed
+    if not to_remove:
+        if not bare:
+            click.echo("Found 0 installed package, skip purging.")
+            click.echo(crayons.green("Environment now purged and fresh!"))
+        return installed
+
     if not bare:
         click.echo(
             fix_utf8("Found {0} installed package(s), purging…".format(len(to_remove)))
         )
-    
-    # Skip purging if there is no packages which needs to be removed
-    if not to_remove:
-        if not bare:
-            click.echo(crayons.green("Environment now purged and fresh!"))
-        return installed
 
     command = "{0} uninstall {1} -y".format(
         escape_grouped_arguments(which_pip(allow_global=allow_global)),