From 89f35f5259b2f1ed6c354208b9504e4514f95820 Mon Sep 17 00:00:00 2001
From: Ozbolt Menegatti <ozbolt.menegatti@gmail.com>
Date: Sun, 9 Jun 2019 13:36:07 +0200
Subject: [PATCH] handling writers for when we dont need outputs (no --all for
 example)

---
 wani.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/wani.py b/wani.py
index 7d10c1d..64ce126 100644
--- a/wani.py
+++ b/wani.py
@@ -1186,6 +1186,9 @@ class Writer:
             file_handler.flush()
 
     def write_out(self, structures, colocation_ids):
+        if self.output_file is None:
+            return
+
         def fp_close(fp_):
             if fp_ != sys.stdout:
                 fp_.close()