I work on Windows; I use Christoph Gohlke wheels; Python 3.7

After installing GDAL-3.0.1 and Fiona-1.8.6

an error occurs on import of fiona from fiona.ogrext import Iterator, ItemsIterator, KeysIterator ImportError: DLL load failed:

by downgrading to GDAL-2.4.1 I could surpass the error, yet rasterio starts rasing an error : from rasterio._base import gdal_version ImportError: DLL load failed:

  • do you need both inside the same project? if not you could use separate virt_envs to handle the different gda lversions. – zwnk Sep 9 at 10:13
  • time to switch to conda and install these libs in separate environments from the conda-forge channel – Paul H Sep 23 at 16:48

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