Author: Liubov Chuprikova <chuprikovalv@gmail.com>
Last-Update: Wed, 13 July 2018 11:36:44 +0300
Description: Define FileNotFoundError as OSError for python 2


--- a/pybedtools/contrib/bigwig.py
+++ b/pybedtools/contrib/bigwig.py
@@ -6,6 +6,13 @@ import os
 import subprocess
 
 
+try:
+    FileNotFoundError
+except NameError:
+    # python2
+    FileNotFoundError = OSError
+
+
 def mapped_read_count(bam, force=False):
     """
     Scale is cached in a bam.scale file containing the number of mapped reads.