# HG changeset patch
# User samelltiger <1176079760@qq.com>
# Date 1605374408 -28800
# Node ID f003d33dc5a954c7476bcb796ecfe7703306cd48
# Parent  0cd0210a0daca03d56ffc2e9bd4782c3808b12de
fix a bug (#30)

Fixed a problem in format checking

diff -r 0cd0210a0dac -r f003d33dc5a9 auditok/io.py
--- a/auditok/io.py	Tue Mar 31 22:58:03 2020 +0200
+++ b/auditok/io.py	Sun Nov 15 01:20:08 2020 +0800
@@ -86,7 +86,7 @@
             fmt = extension
         else:
             return None
-    fmt == fmt.lower()
+    fmt = fmt.lower()
     if fmt == "wave":
         fmt = "wav"
     return fmt