Possible whitespace fix on test_package.mojo

Author: yetalit

recipes/mojo-asciichart/test_package.mojo

@@ -10,23 +10,23 @@ fn main() raises:
     data.append(4.0)
     data.append(3.0)
     data.append(5.0)
-    
+
     # Generate chart - should not crash
     var chart = plot(data)
-    
+
     # Basic validation: chart should contain box-drawing chars
     if len(chart) < 10:
         raise Error("Chart output too short")
-    
+
     # Should contain at least one box-drawing character
     var has_box_char = False
     for i in range(len(chart)):
         var ch = chart[i]
         if ch == "─" or ch == "│" or ch == "┤" or ch == "├" or ch == "╭" or ch == "╯":
             has_box_char = True
             break
-    
+
     if not has_box_char:
         raise Error("Chart missing box-drawing characters")
-    
+
     print("✓ All tests passed")