math plugin: report errors with full backtrace

diff --git a/data/rbot/plugins/math.rb b/data/rbot/plugins/math.rb
index f54733b33c0435e3e6a0d2ebd32a5e70f422b407..dde4e954688d384fff712342bf4b1627c7a39042 100644 (file)
--- a/data/rbot/plugins/math.rb
+++ b/data/rbot/plugins/math.rb
@@ -112,7 +112,7 @@ class MathPlugin < Plugin
          end
          m.reply answer
        rescue Exception => e
-         error "couldn't evaluate expression \"#{m.params}\": #{e.inspect}"
+         error e
          m.reply "illegal expression \"#{m.params}\""
          return
        end