Lindsay,

Things I would try/check:

Re-install the requirements.txt to ensure that the django postgis backend 
is installed.
Check that GDAL_DATA is in sys env variables
Check that OSGEO\bin is in PATH

Andy


On Tuesday, November 26, 2019 at 11:43:09 PM UTC, Lindsey Gant wrote:
>
> I fixed the above error by adding "gdal204' to the list of lib_path 
> strings and changing settings to settings_local (where I stored my 
> GDAL_LIBRARY_PATH.
>
> I am now getting this error: 
>
> File 
> "C:\Users\LGant\arches_clean\ENV\lib\site-packages\django\db\utils.py", 
> line 134, in load_backend
>     raise ImproperlyConfigured(error_msg)
> django.core.exceptions.ImproperlyConfigured: 
> 'django.contrib.gis.db.backends.postgis' isn't an available database 
> backend.
> Try using 'django.db.backends.XXX', where XXX is one of:
>     'mysql', 'oracle', 'postgresql', 'sqlite3'
> Error was: cannot import name _lazy_re_compile
>
>
>
> On Monday, November 25, 2019 at 5:52:19 PM UTC-8, Lindsey Gant wrote:
>>
>> Hi all,
>>
>> I am having trouble with GDAL for my Arches installation on Windows 10. I 
>> am experiencing similar results to a previous issue 
>> <https://groups.google.com/forum/#!searchin/archesproject/%22self._handle$20$3D$20_dlopen(self._name$2C$20mode)%22%7Csort:date/archesproject/HN26yv3K2d0/I50oCCWtAQAJ>
>>  however, 
>> I am not sure how to fix it.
>>
>> I am at the part of the developer installation 
>> <https://arches.readthedocs.io/en/stable/creating-a-development-environment/#creating-a-development-environment>
>>  
>> where I am creating a new package. I get this error on the command line:
>>
>>  File 
>> "C:\Users\LGant\arches_clean\ENV\lib\site-packages\django\contrib\gis\gdal\libgdal.py"
>> , line 49, in <module>
>>     lgdal = CDLL(lib_path)
>>   File "c:\python27\Lib\ctypes\__init__.py", line 362, in __init__
>>     self._handle = _dlopen(self._name, mode)
>> WindowsError: [Error 126] The specified module could not be found
>>
>> I confirmed that I downloaded and installed the 64 bit GDAL from this 
>> site <https://trac.osgeo.org/osgeo4w/> and set my settings_local.py to 
>> include the valid path:
>>
>> GDAL_LIBRARY_PATH = "c:/OSGeo4W64/bin/gdal204.dll"
>>
>> I am on branch 4.4.2 and am using 64-bit Python 2.7.13. I have 
>> reinstalled GDAL multiple times but am unable to bypass this error. Any 
>> assistance would be appreciated!!
>>
>> Thanks,
>>
>> Lindsey
>>
>>

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