diff --git a/pkgs/development/python-modules/hurry-filesize/default.nix b/pkgs/development/python-modules/hurry-filesize/default.nix
new file mode 100644
index 000000000000..62bd1f810f9d
--- /dev/null
+++ b/pkgs/development/python-modules/hurry-filesize/default.nix
@@ -0,0 +1,39 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+
+, pythonOlder
+
+, setuptools
+}:
+
+buildPythonPackage rec {
+  pname = "hurry-filesize";
+  version = "0.9";
+  pyproject = true;
+
+  disabled = pythonOlder "3.3";
+
+  src = fetchPypi {
+    pname = "hurry.filesize";
+    inherit version;
+    hash = "sha256-9TaDKa2++GrM07yUkFIjQLt5JgRVromxpCwQ9jgBuaY=";
+  };
+
+  # project has no repo...
+  # fix implicit namespaces (PEP 420) warning
+  patches = [ ./use-pep-420-implicit-namespace-package.patch ];
+
+  build-system = [
+    setuptools
+  ];
+
+  pythonImportsCheck = [ "hurry.filesize" ];
+
+  meta = with lib; {
+    description = "A simple Python library for human readable file sizes (or anything sized in bytes)";
+    homepage = "https://pypi.org/project/hurry.filesize/";
+    license = licenses.zpl21;
+    maintainers = with maintainers; [ vizid ];
+  };
+}
diff --git a/pkgs/development/python-modules/hurry-filesize/use-pep-420-implicit-namespace-package.patch b/pkgs/development/python-modules/hurry-filesize/use-pep-420-implicit-namespace-package.patch
new file mode 100644
index 000000000000..788c603ac530
--- /dev/null
+++ b/pkgs/development/python-modules/hurry-filesize/use-pep-420-implicit-namespace-package.patch
@@ -0,0 +1,24 @@
+diff --git a/setup.py b/setup.py
+index 9ec6f2e..607b680 100644
+--- a/setup.py
++++ b/setup.py
+@@ -29,7 +29,6 @@ setup(
+     license='ZPL 2.1',
+     packages=find_packages('src'),
+     package_dir= {'':'src'},
+-    namespace_packages=['hurry'],
+     include_package_data=True,
+     zip_safe=False,
+     install_requires=[
+diff --git a/src/hurry/__init__.py b/src/hurry/__init__.py
+index 2e2033b..e69de29 100644
+--- a/src/hurry/__init__.py
++++ b/src/hurry/__init__.py
+@@ -1,7 +0,0 @@
+-# this is a namespace package
+-try:
+-    import pkg_resources
+-    pkg_resources.declare_namespace(__name__)
+-except ImportError:
+-    import pkgutil
+-    __path__ = pkgutil.extend_path(__path__, __name__)
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 0d839d915855..beb9318668a6 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -5418,6 +5418,8 @@ self: super: with self; {
 
   hupper = callPackage ../development/python-modules/hupper { };
 
+  hurry-filesize = callPackage ../development/python-modules/hurry-filesize { };
+
   huum = callPackage ../development/python-modules/huum { };
 
   hvac = callPackage ../development/python-modules/hvac { };