<commit_before>class PerTranscriptCoverage < ActiveRecord::Base
  belongs_to :read_group, :inverse_of => :per_transcript_coverages
  belongs_to :bedgraph_file, :inverse_of => :per_transcript_coverages, :dependent => :destroy
  validates_presence_of :read_group
  validates_presence_of :bedgraph_file
end<commit_msg>Fix bug which prevented deleting read group<commit_after>class PerTranscriptCoverage < ActiveRecord::Base
  belongs_to :read_group, :inverse_of => :per_transcript_coverages
  belongs_to :bedgraph_file, :inverse_of => :per_transcript_coverages
  validates_presence_of :read_group
  validates_presence_of :bedgraph_file
end
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{'dir': 'git-commits-cleaned', 'id': '6523777', 'n_tokens_mistral': 210, 'n_tokens_neox': 202, 'n_words': 39}