Remove flash from the printer class, update web class

src/web.py

@@ -21,7 +21,7 @@ class Web(object):
             self.app.logger.error(e)
             flash("Error while printing the SMS : "+ str(e))
 
-        flash("You message has been printed :)")
+        flash("You message " + str( texte ) + " has been printed :)")
 
 
     def print_image(self, image, sign: str):
@@ -57,7 +57,7 @@ class Web(object):
                 self.app.logger.debug("File saved")
             except Exception as e:
                 self.app.logger.error("Could not save file")
-                flash(e,'error')
+                flash(str(e),'error')
                 return False
 
             self.app.logger.debug("File saved to " + str(os.path.join(self.app.config['UPLOAD_FOLDER'], filename)))