Merge pull request #3786 from nabinhait/fix4

[fix] Ignore if error coming while sending emails to system managers
diff --git a/erpnext/patches/v5_4/notify_system_managers_regarding_wrong_tax_calculation.py b/erpnext/patches/v5_4/notify_system_managers_regarding_wrong_tax_calculation.py
index 8096a37..2c0c8b4 100644
--- a/erpnext/patches/v5_4/notify_system_managers_regarding_wrong_tax_calculation.py
+++ b/erpnext/patches/v5_4/notify_system_managers_regarding_wrong_tax_calculation.py
@@ -31,8 +31,10 @@
 Regards,
 
 Administrator""" % "\n".join([(d[0] + ": " + ", ".join(d[1])) for d in wrong_records])
-
-		sendmail_to_system_managers("[Important] [ERPNext] Tax calculation might be wrong, please check.", content)
+		try:
+			sendmail_to_system_managers("[Important] [ERPNext] Tax calculation might be wrong, please check.", content)
+		except:
+			pass
 		
 		print "="*50
 		print content