Unnecessary

IPython/nbconvert/nbconvertapp.py

@@ -212,14 +212,8 b' class NbConvertApp(BaseIPythonApplication):'
 
         # If nothing was converted successfully, help the user.
         if conversion_success == 0:
-
-            # No notebooks were specified, show help.
-            if len(self.notebooks) == 0:
                 self.print_help()
 
-            # Show how to access help.
-            print('For help, use "ipython nbconvert --help"')
-
 
 #-----------------------------------------------------------------------------
 # Main entry point