lib/sqa/stock.rb in sqa-0.0.21 vs lib/sqa/stock.rb in sqa-0.0.22

@@ -99,10 +99,10 @@
     df2       = klass.recent(@ticker, from_date: from_date)
 
     return if df2.nil?  # CSV file is up to date.
 
     df_nrows  = @df.nrows
-    @df.append(df2)
+    @df.append!(df2)
 
     if @df.nrows > df_nrows
       @df.to_csv(@df_path)
     end
   end