baserow/baserow_enterprise: ensure that we have __init__.py everywhere

nix/pkgs/baserow/default.nix

@@ -49,6 +49,17 @@ let
         baserow-enterprise-backend = enterprise.baserow-enterprise-backend.overridePythonAttrs (_: {
           inherit version;
           src = "${src}/enterprise/backend";
+          postPatch = ''
+            pushd src/baserow_enterprise
+            find . -name '*.py' -printf '%h\n' | sort | uniq | while read pydir; do
+              thisdir=$pydir
+              while [[ "$thisdir" != "." ]]; do
+                test -f $thisdir/__init__.py || touch $thisdir/__init__.py
+                thisdir="$(dirname $thisdir)"
+              done
+            done
+            popd
+          '';
         });
       in
         oss // (if !ossOnly then premium else {}) // {