From 49d6a7a4eac24997cbca8f13c77f7256da2498b8 Mon Sep 17 00:00:00 2001
From: Leo Sternlicht <lsternlicht@gmail.com>
Date: Tue, 28 Jan 2020 09:24:36 -0500
Subject: [PATCH] handle tuple & list version numbers

---
 watermark/watermark.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/watermark/watermark.py b/watermark/watermark.py
index 07898fb..5445640 100644
--- a/watermark/watermark.py
+++ b/watermark/watermark.py
@@ -247,7 +247,11 @@ def _print_all_import_versions(vars):
 
         longest = max([len(i[0]) for i in to_print] + [0]) + 1
         for entry in to_print:
-            print(('%s' % entry[0]).ljust(longest) + entry[1])
+            if isinstance(entry[1], (tuple, list)):
+                version = '.'.join([str(i) for i in entry[1]])
+            else:
+                version = entry[1]
+            print(('%s' % entry[0]).ljust(longest) + version)
 
 
 def load_ipython_extension(ipython):