From 6fd403f079319b6b96d64aaf38a161d8cda0a69d Mon Sep 17 00:00:00 2001
From: Anwar Nunez-Elizalde <anwarnunez@gmail.com>
Date: Thu, 17 Jun 2021 13:47:08 +0100
Subject: [PATCH] ENH: optional tqdm

---
 moten/extras.py | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/moten/extras.py b/moten/extras.py
index bc41bf6..e202e3f 100644
--- a/moten/extras.py
+++ b/moten/extras.py
@@ -7,8 +7,12 @@
                          pointwise_square,
                          )
 
-with_tqdm = False
-
+# Make tqdm optional
+with_tqdm = True
+try:
+    from tqdm import tqdm
+except ImportError:
+    with_tqdm = False
 
 def pixbypix_covariance_from_frames_generator(data_generator,
                                               batch_size=1000,