rnacentral_pipeline\rnacentral\genome_mapping\igv.py broad-exception-caught

Catching Exception might hide unexpected exceptions (e.g., due to new code that will be added).  

The function ftp calls ftplib.FTP's quit (in line 40).
The specific ftplib.all_errors   can be used instead.  

See 
https://docs.python.org/3/library/ftplib.html

Author: evidencebp

rnacentral_pipeline/rnacentral/genome_mapping/igv.py

@@ -38,7 +38,7 @@ def ftp(host):
 
     try:
         conn.quit()
-    except Exception as err:
+    except ftplib.all_errors as err:
         LOGGER.info("Failed to close FTP connection")
         LOGGER.exception(err)