How to use the webtech.__version__.__version__ function in webtech

def main():
    """
    Main function when running from command line.
    """
    parser = OptionParser(prog="webtech", version="%prog {}".format(VERSION))
    parser.add_option(
        "-u", "--urls",
        help="url(s) to scan", type="string", action="callback", callback=split_on_comma)
    parser.add_option(
        "--urls-file", "--ul",
        help="url(s) list file to scan", type="string")
    parser.add_option(
        "--user-agent", "--ua",
        help="use this user agent")
    parser.add_option(
        "--random-user-agent", "--rua", action="store_true",
        help="use a random user agent", default=False)
    parser.add_option(
        "--database-file", "--db",
        help="custom database file")
    parser.add_option(

def default_user_agent():
    return "webtech/{}".format(VERSION)

def registerExtenderCallbacks(self, callbacks):
        self.callbacks = callbacks
        self.helpers = callbacks.getHelpers()
        callbacks.setExtensionName("WebTech")
        self.out = callbacks.getStdout()
        self.callbacks.printOutput("Sucessfully loaded WebTech {}".format(VERSION))

        self.webtech = WebTech(options={'json': True})

        # define all checkboxes
        self.cbPassiveChecks = self.defineCheckBox("Enable Passive Scanner Checks")
        self.cbActiveChecks = self.defineCheckBox("Enable Active Scanner Checks", True, False)
        self.btnSave = JButton("Set as default", actionPerformed=self.saveConfig)
        self.btnRestore = JButton("Restore", actionPerformed=self.restoreConfig)
        self.grpConfig = JPanel()
        self.grpConfig.add(self.btnSave)
        self.grpConfig.add(self.btnRestore)
        self.restoreConfig()

        # definition of config tab
        self.tab = JPanel()
        layout = GroupLayout(self.tab)

def main():
    """
    Main function when running from command line.
    """
    parser = OptionParser(prog="webtech", version="%prog {}".format(VERSION))
    parser.add_option("-s" , "--scrape" , type =  "string", help = "Enter the URL to scrape")
    parser.add_option(
        "-u", "--urls",
        help="url(s) to scan", type="string", action="callback", callback=split_on_comma)
    parser.add_option(
        "--urls-file", "--ul",
        help="url(s) list file to scan", type="string")
    parser.add_option(
        "--user-agent", "--ua",
        help="use this user agent")
    parser.add_option(
        "--random-user-agent", "--rua", action="store_true",
        help="use a random user agent", default=False)
    parser.add_option(
        "--database-file", "--db",
        help="custom database file")

def registerExtenderCallbacks(self, callbacks):
        self.callbacks = callbacks
        self.helpers = callbacks.getHelpers()
        callbacks.setExtensionName("WebTech")
        self.out = callbacks.getStdout()
        self.callbacks.printOutput("Sucessfully loaded WebTech {}".format(VERSION))

        try:
            self.webtech = WebTech(options={'json': True})
        except UpdateInBurpException as e:
            #self.callbacks.printOutput(e)
            for db_file in databases:
                db = self.callbacks.makeHttpRequest(
                    'raw.githubusercontent.com', # we are hardcoding this since there isn't a nice api for that
                    443,
                    True,
                    self.helpers.buildHttpRequest(URL(db_file[0]))
                );
                db = db.tostring()
                save_database_file(db[db.index("\r\n\r\n") + len("\r\n\r\n"):], db_file[1])
            self.webtech = WebTech(options={'json': True})

def default_user_agent():
    return "webtech/{}".format(VERSION)