uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

pkgs/development/python-modules/pytesseract/default.nix

@@ -0,0 +1,41 @@
+{ buildPythonPackage, fetchFromGitHub, lib, packaging, pillow, tesseract, substituteAll
+, pytestCheckHook
+}:
+
+buildPythonPackage rec {
+  pname = "pytesseract";
+  version = "0.3.10";
+  format = "pyproject";
+
+  src = fetchFromGitHub {
+    owner = "madmaze";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "sha256-CyKXtaIE/8iPLqi0GHVUgTeJDYZyWBjkRvOKJJKCxZo=";
+  };
+
+  patches = [
+    (substituteAll {
+      src = ./tesseract-binary.patch;
+      drv = tesseract;
+    })
+  ];
+
+  buildInputs = [
+    tesseract
+  ];
+
+  propagatedBuildInputs = [
+    packaging
+    pillow
+  ];
+
+  checkInputs = [ pytestCheckHook ];
+
+  meta = with lib; {
+    homepage = "https://pypi.org/project/pytesseract/";
+    license = licenses.asl20;
+    description = "A Python wrapper for Google Tesseract";
+    maintainers = with maintainers; [ ma27 ];
+  };
+}

pkgs/development/python-modules/pytesseract/tesseract-binary.patch

@@ -0,0 +1,13 @@
+diff --git a/pytesseract/pytesseract.py b/pytesseract/pytesseract.py
+index 132f59b..f161e5c 100755
+--- a/pytesseract/pytesseract.py
++++ b/pytesseract/pytesseract.py
+@@ -23,7 +23,7 @@ except ImportError:
+     import Image
+ 
+ 
+-tesseract_cmd = 'tesseract'
++tesseract_cmd = '@drv@/bin/tesseract'
+ 
+ numpy_installed = find_loader('numpy') is not None
+ if numpy_installed: