Remove no longer needed IndexError exceptions

MultiCommand._catch_todo_errors() prevents occuring of those.

topydo/commands/DepriCommand.py

@@ -26,7 +26,6 @@ class DepriCommand(MultiCommand):
             p_args, p_todolist, p_out, p_err, p_prompt)
 
     def execute_multi_specific(self):
-        try:
         self.printer.add_filter(PrettyPrinterNumbers(self.todolist))
 
         for todo in self.todos:
@@ -35,9 +34,6 @@ class DepriCommand(MultiCommand):
                 self.out("Priority removed.")
                 self.out(self.printer.print_todo(todo))
 
-        except IndexError:
-            self.error(self.usage())
-
     def usage(self):
         return """Synopsis: depri <NUMBER1> [<NUMBER2> ...]"""
 

topydo/commands/PostponeCommand.py

@@ -17,7 +17,6 @@
 from datetime import date, timedelta
 
 from topydo.lib.MultiCommand import MultiCommand
-from topydo.lib.Command import InvalidCommandArgument
 from topydo.lib.Config import config
 from topydo.lib.PrettyPrinterFilter import PrettyPrinterNumbers
 from topydo.lib.RelativeDate import relative_date_to_date
@@ -52,7 +51,6 @@ class PostponeCommand(MultiCommand):
 
             return offset_date
 
-        try:
         pattern = self.args[-1]
         self.printer.add_filter(PrettyPrinterNumbers(self.todolist))
 
@@ -75,8 +73,6 @@ class PostponeCommand(MultiCommand):
             else:
                 self.error("Invalid date pattern given.")
                 break
-        except (InvalidCommandArgument, IndexError):
-            self.error(self.usage())
 
     def usage(self):
         return "Synopsis: postpone [-s] <NUMBER> [<NUMBER2> ...] <PATTERN>"

topydo/commands/PriorityCommand.py

@@ -31,7 +31,6 @@ class PriorityCommand(MultiCommand):
     def execute_multi_specific(self):
         priority = None
 
-        try:
         priority = self.args[-1]
         self.printer.add_filter(PrettyPrinterNumbers(self.todolist))
 
@@ -49,8 +48,6 @@ class PriorityCommand(MultiCommand):
                 self.out(self.printer.print_todo(todo))
         else:
             self.error("Invalid priority given.")
-        except IndexError:
-            self.error(self.usage())
 
     def usage(self):
         return """Synopsis: pri <NUMBER1> [<NUMBER2> ...] <PRIORITY>"""