dependencies: bumped pathlib2 to 2.3.4 and made it a used dependency.

pkgs/python-packages.nix

@@ -1092,15 +1092,15 b' self: super: {'
     };
   };
   "pathlib2" = super.buildPythonPackage {
-    name = "pathlib2-2.3.3";
+    name = "pathlib2-2.3.4";
     doCheck = false;
     propagatedBuildInputs = [
       self."six"
       self."scandir"
     ];
     src = fetchurl {
-      url = "https://files.pythonhosted.org/packages/bf/d7/a2568f4596b75d2c6e2b4094a7e64f620decc7887f69a1f2811931ea15b9/pathlib2-2.3.3.tar.gz";
-      sha256 = "0hpp92vqqgcd8h92msm9slv161b1q160igjwnkf2ag6cx0c96695";
+      url = "https://files.pythonhosted.org/packages/b5/f4/9c7cc726ece2498b6c8b62d3262aa43f59039b953fe23c9964ac5e18d40b/pathlib2-2.3.4.tar.gz";
+      sha256 = "1y0f9rkm1924zrc5dn4bwxlhgdkbml82lkcc28l5rgmr7d918q24";
     };
     meta = {
       license = [ pkgs.lib.licenses.mit ];
@@ -1768,6 +1768,7 b' self: super: {'
       self."msgpack-python"
       self."pyotp"
       self."packaging"
+      self."pathlib2"
       self."paste"
       self."pastedeploy"
       self."pastescript"

requirements.txt

@@ -34,6 +34,7 b' markupsafe==1.1.0'
 msgpack-python==0.5.6
 pyotp==2.2.7
 packaging==15.2
+pathlib2==2.3.4
 paste==3.0.8
 pastedeploy==2.0.1
 pastescript==3.1.0

requirements_pinned.txt

@@ -10,7 +10,6 b' hupper==1.6.1'
 gnureadline==6.3.8
 jinja2==2.9.6
 jsonschema==2.6.0
-pathlib2==2.3.3
 pyramid-jinja2==2.7
 pluggy==0.11.0
 setproctitle==1.1.10