visidata: add setuptools

and ran nixpkgs-fmt.

This allows to access visidata's help via ctrl+H.

pkgs/applications/misc/visidata/default.nix

@@ -1,5 +1,16 @@
-{ buildPythonApplication, lib, fetchFromGitHub
-, dateutil, pyyaml, openpyxl, xlrd, h5py, fonttools, lxml, pandas, pyshp
+{ buildPythonApplication
+, lib
+, fetchFromGitHub
+, dateutil
+, pyyaml
+, openpyxl
+, xlrd
+, h5py
+, fonttools
+, lxml
+, pandas
+, pyshp
+, setuptools
 }:
 buildPythonApplication rec {
   pname = "visidata";
@@ -12,8 +23,18 @@ buildPythonApplication rec {
     sha256 = "19gs8i6chrrwibz706gib5sixx1cjgfzh7v011kp3izcrn524mc0";
   };
 
-  propagatedBuildInputs = [dateutil pyyaml openpyxl xlrd h5py fonttools
-    lxml pandas pyshp ];
+  propagatedBuildInputs = [
+    dateutil
+    pyyaml
+    openpyxl
+    xlrd
+    h5py
+    fonttools
+    lxml
+    pandas
+    pyshp
+    setuptools
+  ];
 
   doCheck = false;