From 74bfb2178eb5da19d6e77e9f78ade9b721cf120d Mon Sep 17 00:00:00 2001
From: Joris Van den Bossche <jorisvandenbossche@gmail.com>
Date: Wed, 31 Aug 2016 12:33:53 +0200
Subject: [PATCH] Make show_versions not to reload modules (GH13684)

---
 pandas/util/print_versions.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/pandas/util/print_versions.py b/pandas/util/print_versions.py
index 70df1df336704..3747e2ff6ca8f 100644
--- a/pandas/util/print_versions.py
+++ b/pandas/util/print_versions.py
@@ -101,7 +101,10 @@ def show_versions(as_json=False):
     deps_blob = list()
     for (modname, ver_f) in deps:
         try:
-            mod = importlib.import_module(modname)
+            if modname in sys.modules:
+                mod = sys.modules[modname]
+            else:
+                mod = importlib.import_module(modname)
             ver = ver_f(mod)
             deps_blob.append((modname, ver))
         except: