2020-04-07 15:08:44,503: ERROR flask.app: expected str, bytes or os.PathLike 
object, not NoneType
Traceback (most recent call last):
File "/Library/PostgreSQL/12/pgAdmin 
4.app/Contents/Resources/web/pgadmin/tools/import_export/__init__.py", line 
323, in create_import_export_job
p.start()
File "/Library/PostgreSQL/12/pgAdmin 
4.app/Contents/Resources/web/pgadmin/misc/bgprocess/processes.py", line 406, in 
start
preexec_fn=preexec_function, env=env
File "/Library/PostgreSQL/12/pgAdmin 
4.app/Contents/Resources/venv/lib/python3.7/subprocess.py", line 775, in 
__init__
restore_signals, start_new_session)
File "/Library/PostgreSQL/12/pgAdmin 
4.app/Contents/Resources/venv/lib/python3.7/subprocess.py", line 1433, in 
_execute_child
env_list.append(k + b'=' + os.fsencode(v))
File "/Library/PostgreSQL/12/pgAdmin 
4.app/Contents/Resources/venv/lib/python3.7/os.py", line 809, in fsencode
filename = fspath(filename) # Does type-checking of `filename`.
TypeError: expected str, bytes or os.PathLike object, not NoneType

Note: I uninstalled and reinstalled everything and found the web folder. 

> On Apr 7, 2020, at 3:49 AM, Dave Page <dp...@pgadmin.org> wrote:
> 
> 
> 
> On Mon, Apr 6, 2020 at 5:57 PM Michael Benjamin 
> <michaelbenja...@advancedneuralbio.com 
> <mailto:michaelbenja...@advancedneuralbio.com>> wrote:
> There is no folder /web
> 
> Then one has to wonder what you're running. Probably 95% of the code for 
> pgAdmin is in the web/ directory in the macOS build. Are you running a 
> container or the Python package?
>  
> 
>> On Mar 29, 2020, at 11:27 PM, Khushboo Vashi 
>> <khushboo.va...@enterprisedb.com <mailto:khushboo.va...@enterprisedb.com>> 
>> wrote:
>> 
>> 
>> 
>> On Sat, Mar 28, 2020 at 2:04 AM Michael Benjamin 
>> <michaelbenja...@advancedneuralbio.com 
>> <mailto:michaelbenja...@advancedneuralbio.com>> wrote:
>> There is no folder “web/“ (Mac) and about 10 different “config.py” files. 
>> 
>> on MacOS, path would be /Applications/pgAdmin 4.app/Contents/Resources/web .
>>> On Mar 27, 2020, at 12:15 AM, Khushboo Vashi 
>>> <khushboo.va...@enterprisedb.com <mailto:khushboo.va...@enterprisedb.com>> 
>>> wrote:
>>> 
>>> Hi,
>>> 
>>> On Fri, Mar 27, 2020 at 2:07 AM Michael Benjamin 
>>> <michaelbenja...@advancedneuralbio.com 
>>> <mailto:michaelbenja...@advancedneuralbio.com>> wrote:
>>> In pgadmin 4.16 I get the following error when I try to export a file: 
>>> "expected str, bytes or os.PathLike object, not NoneType". Any thoughts? 
>>> Thanks.
>>> 
>>> Please enable logging and send the pgAdmin log file. Please refer: 
>>> https://www.pgadmin.org/faq/#8 <https://www.pgadmin.org/faq/#8>
>>> 
>>> Thanks,
>>> Khushboo 
>> 
> 
> 
> 
> -- 
> Dave Page
> Blog: http://pgsnake.blogspot.com <http://pgsnake.blogspot.com/>
> Twitter: @pgsnake
> 
> EnterpriseDB UK: http://www.enterprisedb.com <http://www.enterprisedb.com/>
> The Enterprise PostgreSQL Company

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