Indent using spaces, not tabs

config/initializers/logstasher.rb

@@ -1,5 +1,5 @@
 if LogStasher.enabled
   LogStasher.add_custom_fields do |fields|
-	fields[:type] = "tps"
+  fields[:type] = "tps"
   end
 end

db/migrate/20150813095939_rename_dossier_pdfintof_piece_jointe.rb

@@ -1,5 +1,5 @@
 class RenameDossierPdfintofPieceJointe < ActiveRecord::Migration
   def change
-  	rename_table :dossier_pdfs, :pieces_jointes
+    rename_table :dossier_pdfs, :pieces_jointes
   end
 end