mlflow-server: drop broken gunicorn shim

pkgs/by-name/ml/mlflow-server/package.nix

@@ -1,37 +1,10 @@
-{ python3Packages, writers }:
+{ python3Packages }:
 
-let
-  py = python3Packages;
-
-  gunicornScript = writers.writePython3 "gunicornMlflow" { } ''
-    import re
-    import sys
-    from gunicorn.app.wsgiapp import run
-    if __name__ == '__main__':
-        sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', ''', sys.argv[0])
-        sys.exit(run())
-  '';
-in
-py.toPythonApplication (
-  py.mlflow.overridePythonAttrs (old: {
-
-    propagatedBuildInputs = old.dependencies ++ [
-      py.boto3
-      py.mysqlclient
+python3Packages.toPythonApplication (
+  python3Packages.mlflow.overridePythonAttrs (old: {
+    propagatedBuildInputs = (old.propagatedBuildInputs or [ ]) ++ [
+      python3Packages.boto3
+      python3Packages.mysqlclient
     ];
-
-    postPatch = (old.postPatch or "") + ''
-      cat mlflow/utils/process.py
-
-      substituteInPlace mlflow/utils/process.py --replace-fail \
-        "process = subprocess.Popen(" \
-        "cmd[0]='${gunicornScript}'; process = subprocess.Popen("
-    '';
-
-    postInstall = ''
-      gpath=$out/bin/gunicornMlflow
-      cp ${gunicornScript} $gpath
-      chmod 555 $gpath
-    '';
   })
 )