diff --git a/.envrc b/.envrc
new file mode 100644
index 0000000..3550a30
--- /dev/null
+++ b/.envrc
@@ -0,0 +1 @@
+use flake
diff --git a/.gitignore b/.gitignore
index b2be92b..726d2d6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 result
+.direnv
diff --git a/flake.nix b/flake.nix
index 9bf068f..9cb2c39 100644
--- a/flake.nix
+++ b/flake.nix
@@ -11,8 +11,12 @@
         pkgs = nixpkgs.legacyPackages.${system};
         pythonPackages = pkgs.python312Packages;
         python-path = pkgs.python3Packages.buildPythonPackage rec {
-          pname = "path";
+          # pname = "opencv-python";
+          # version = "4.10.0.84";
+
           version = "16.14.0";
+          pname = "path";
+
           pyproject = true;
 
           # disabled = pythonOlder "3.7";
@@ -20,6 +24,7 @@
           src = pkgs.python3Packages.fetchPypi {
             inherit pname version;
             hash = "sha256-26qn79RgL9a6jYKJDceCPWnl3nQKboQtmRmw+q8rao4=";
+            # hash = "";
           };
 
           nativeBuildInputs =
@@ -46,10 +51,10 @@
           };
         };
 
+        env = pkgs.python312.withPackages (ps: [ python-path ]);
+
       in {
-        packages = {
-          default = pkgs.python312Packages.path;
-          python-path = python-path;
-        };
+        packages = { default = pkgs.python312Packages.path; };
+        devShells.default = pkgs.mkShell { buildInputs = with pkgs; [ env ]; };
       });
 }