About install Demo ImportError: No module named data_import_tool

hey Developers i just tried to install on a fresh site So i created a fresh site and app like tutorials on Youtube but when i setup app erpnext Demo i got error that it can’t find some modules . iam go with Video step by step by it cause error.
bench --site demo install-app erpnext_demo
Installing erpnext_demo…
Traceback (most recent call last):
File “/usr/lib/python2.7/runpy.py”, line 174, in _run_module_as_main
main”, fname, loader, pkg_name)
File “/usr/lib/python2.7/runpy.py”, line 72, in _run_code
exec code in run_globals
File “/home/khalifa/frappe-bench/apps/frappe/frappe/utils/bench_helper.py”, line 94, in
main()
File “/home/khalifa/frappe-bench/apps/frappe/frappe/utils/bench_helper.py”, line 18, in main
click.Group(commands=commands)(prog_name=‘bench’)
File “/home/khalifa/frappe-bench/env/local/lib/python2.7/site-packages/click/core.py”, line 722, in call
return self.main(*args, **kwargs)
File “/home/khalifa/frappe-bench/env/local/lib/python2.7/site-packages/click/core.py”, line 697, in main
rv = self.invoke(ctx)
File “/home/khalifa/frappe-bench/env/local/lib/python2.7/site-packages/click/core.py”, line 1066, in invoke
return _process_result(sub_ctx.command.invoke(sub_ctx))
File “/home/khalifa/frappe-bench/env/local/lib/python2.7/site-packages/click/core.py”, line 1066, in invoke
return _process_result(sub_ctx.command.invoke(sub_ctx))
File “/home/khalifa/frappe-bench/env/local/lib/python2.7/site-packages/click/core.py”, line 895, in invoke
return ctx.invoke(self.callback, **ctx.params)
File “/home/khalifa/frappe-bench/env/local/lib/python2.7/site-packages/click/core.py”, line 535, in invoke
return callback(*args, **kwargs)
File “/home/khalifa/frappe-bench/env/local/lib/python2.7/site-packages/click/decorators.py”, line 17, in new_func
return f(get_current_context(), *args, **kwargs)
File “/home/khalifa/frappe-bench/apps/frappe/frappe/commands/init.py”, line 24, in _func
ret = f(frappe._dict(ctx.obj), *args, **kwargs)
File “/home/khalifa/frappe-bench/apps/frappe/frappe/commands/site.py”, line 165, in install_app
_install_app(app, verbose=context.verbose)
File “/home/khalifa/frappe-bench/apps/frappe/frappe/installer.py”, line 134, in install_app
out = frappe.get_attr(before_install)()
File “/home/khalifa/frappe-bench/apps/frappe/frappe/init.py”, line 919, in get_attr
return getattr(get_module(modulename), methodname)
File “/home/khalifa/frappe-bench/apps/frappe/frappe/init.py”, line 704, 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/khalifa/frappe-bench/apps/erpnext_demo/erpnext_demo/utils.py”, line 7, in
import erpnext_demo.make_demo
File “/home/khalifa/frappe-bench/apps/erpnext_demo/erpnext_demo/make_demo.py”, line 8, in
from frappe.core.page.data_import_tool.data_import_tool import import_doc
ImportError: No module named data_import_tool.data_import_tool

Hope this helps.

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