Jasper_erpnext_report after integerating error

Traceback (innermost last):
File “/home/frappe/frappe-bench/apps/frappe/frappe/app.py”, line 57, in application
response = frappe.handler.handle()
File “/home/frappe/frappe-bench/apps/frappe/frappe/handler.py”, line 19, in handle
execute_cmd(cmd)
File “/home/frappe/frappe-bench/apps/frappe/frappe/handler.py”, line 36, in execute_cmd
ret = frappe.call(method, **frappe.form_dict)
File “/home/frappe/frappe-bench/apps/frappe/frappe/init.py”, line 806, in call
return fn(*args, **newargs)
File “/home/frappe/frappe-bench/apps/frappe/frappe/desk/form/load.py”, line 64, in getdoctype
docs = get_meta_bundle(doctype)
File “/home/frappe/frappe-bench/apps/frappe/frappe/desk/form/load.py”, line 74, in get_meta_bundle
bundle = [frappe.desk.form.meta.get_meta(doctype)]
File “/home/frappe/frappe-bench/apps/frappe/frappe/desk/form/meta.py”, line 20, in get_meta
meta = frappe.cache().hget(“form_meta”, doctype, lambda: FormMeta(doctype))
File “/home/frappe/frappe-bench/apps/frappe/frappe/utils/redis_wrapper.py”, line 145, in hget
value = generator()
File “/home/frappe/frappe-bench/apps/frappe/frappe/desk/form/meta.py”, line 20, in
meta = frappe.cache().hget(“form_meta”, doctype, lambda: FormMeta(doctype))
File “/home/frappe/frappe-bench/apps/frappe/frappe/desk/form/meta.py”, line 32, in init
self.load_assets()
File “/home/frappe/frappe-bench/apps/frappe/frappe/desk/form/meta.py”, line 42, in load_assets
self.load_templates()
File “/home/frappe/frappe-bench/apps/frappe/frappe/desk/form/meta.py”, line 146, in load_templates
module = load_doctype_module(self.name)
File “/home/frappe/frappe-bench/apps/frappe/frappe/modules/init.py”, line 64, in load_doctype_module
doctype_python_modules[key] = frappe.get_module(get_module_name(doctype, module, prefix))
File “/home/frappe/frappe-bench/apps/frappe/frappe/init.py”, line 599, in get_module
return importlib.import_module(modulename)
File “/usr/lib/python2.7/importlib/init.py”, line 37, in import_module
import(name)
File “/home/frappe/frappe-bench/apps/jasper_erpnext_report/jasper_erpnext_report/jasper_erpnext_report/doctype/jasper_reports/jasper_reports.py”, line 11, in
from jasper_erpnext_report.utils.jasper_file_jrxml import check_root_exists, get_jrxml_root
File “/home/frappe/frappe-bench/apps/jasper_erpnext_report/jasper_erpnext_report/utils/jasper_file_jrxml.py”, line 8, in
from jasper_erpnext_report.jasper_reports.compile_reports import jasper_compile
File “/home/frappe/frappe-bench/apps/jasper_erpnext_report/jasper_erpnext_report/jasper_reports/init.py”, line 4, in
_logger = frappe.logger(“jasper_erpnext_report”)
TypeError: ‘NoneType’ object is not callable