how to solve this one:
Traceback (most recent call last):
File “/home/ubuntu/frappe-bench/apps/frappe/frappe/app.py”, line 54, in application
init_request(request)
File “/home/ubuntu/frappe-bench/apps/frappe/frappe/app.py”, line 116, in init_request
frappe.local.http_request = frappe.auth.HTTPRequest()
File “/home/ubuntu/frappe-bench/apps/frappe/frappe/auth.py”, line 53, in init
frappe.local.login_manager = LoginManager()
File “/home/ubuntu/frappe-bench/apps/frappe/frappe/auth.py”, line 115, in init
self.make_session(resume=True)
File “/home/ubuntu/frappe-bench/apps/frappe/frappe/auth.py”, line 178, in make_session
full_name=self.full_name, user_type=self.user_type)
File “/home/ubuntu/frappe-bench/apps/frappe/frappe/sessions.py”, line 217, in init
self.resume()
File “/home/ubuntu/frappe-bench/apps/frappe/frappe/sessions.py”, line 272, in resume
data = self.get_session_record()
File “/home/ubuntu/frappe-bench/apps/frappe/frappe/sessions.py”, line 289, in get_session_record
r = self.get_session_data()
File “/home/ubuntu/frappe-bench/apps/frappe/frappe/sessions.py”, line 303, in get_session_data
data = self.get_session_data_from_cache()
File “/home/ubuntu/frappe-bench/apps/frappe/frappe/sessions.py”, line 316, in get_session_data_from_cache
session_data.get(“last_updated”))
File “/home/ubuntu/frappe-bench/apps/frappe/frappe/utils/data.py”, line 115, in time_diff_in_seconds
return time_diff(string_ed_date, string_st_date).total_seconds()
File “/home/ubuntu/frappe-bench/apps/frappe/frappe/utils/data.py”, line 112, in time_diff
return get_datetime(string_ed_date) - get_datetime(string_st_date)
File “/home/ubuntu/frappe-bench/apps/frappe/frappe/utils/data.py”, line 61, in get_datetime
return datetime.datetime.strptime(datetime_str, DATETIME_FORMAT)
ImportError: Failed to import _strptime because the import lockis held by another thread.