addtg will not relist now

[hqhqhq1]

Resolves #146

[codecov-commenter]

Codecov Report

Merging #167 (e3beaf8) into master (6873630) will decrease coverage by 0.33%. The diff coverage is 100.00%.

@@             Coverage Diff              @@
##             master     #167      +/-   ##
============================================
- Coverage     72.56%   72.22%   -0.34%     
- Complexity      492      505      +13     
============================================
  Files            79       79              
  Lines          1509     1552      +43     
  Branches        176      185       +9     
============================================
+ Hits           1095     1121      +26     
- Misses          361      375      +14     
- Partials         53       56       +3     

Impacted Files	Coverage Δ
...ddress/logic/commands/AddTutorialGroupCommand.java	49.05% <ø> (+0.97%)	:arrow_up:
...ess/logic/commands/DeleteTutorialGroupCommand.java	81.63% <ø> (+0.38%)	:arrow_up:
...java/seedu/address/logic/commands/EditCommand.java	97.36% <100.00%> (+0.26%)	:arrow_up:
...ddress/logic/parser/exceptions/ParseException.java	50.00% <0.00%> (-50.00%)	:arrow_down:
...ress/commons/exceptions/IllegalValueException.java	50.00% <0.00%> (-50.00%)	:arrow_down:
...edu/address/model/tutorialgroup/TutorialGroup.java	84.61% <0.00%> (-5.39%)	:arrow_down:
src/main/java/seedu/address/ui/HelpWindow.java	0.00% <0.00%> (ø)
...rc/main/java/seedu/address/model/student/Name.java	80.00% <0.00%> (ø)
...in/java/seedu/address/logic/parser/ParserUtil.java	97.36% <0.00%> (ø)
...n/java/seedu/address/commons/core/index/Index.java	100.00% <0.00%> (ø)
... and 8 more

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[LowJiaHao99]

LGTM