From fa3287ec79ec3618db689ad7fbf585813b410fd9 Mon Sep 17 00:00:00 2001
From: Jonathan Ringer <jonringer117@gmail.com>
Date: Wed, 16 Oct 2019 23:52:28 -0700
Subject: [PATCH] pythonPackages.networkx: freeze at 2.2

---
 .../python-modules/networkx/2.2.nix           | 28 +++++++++++++++++++
 pkgs/top-level/python-packages.nix            |  4 ++-
 2 files changed, 31 insertions(+), 1 deletion(-)
 create mode 100644 pkgs/development/python-modules/networkx/2.2.nix

diff --git a/pkgs/development/python-modules/networkx/2.2.nix b/pkgs/development/python-modules/networkx/2.2.nix
new file mode 100644
index 000000000000..a4c66048953b
--- /dev/null
+++ b/pkgs/development/python-modules/networkx/2.2.nix
@@ -0,0 +1,28 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, nose
+, decorator
+, setuptools
+}:
+
+buildPythonPackage rec {
+  pname = "networkx";
+  # upgrade may break sage, please test the sage build or ping @timokau on upgrade
+  version = "2.2";
+
+  src = fetchPypi {
+    inherit pname version;
+    extension = "zip";
+    sha256 = "12swxb15299v9vqjsq4z8rgh5sdhvpx497xwnhpnb0gynrx6zra5";
+  };
+
+  checkInputs = [ nose ];
+  propagatedBuildInputs = [ decorator setuptools ];
+
+  meta = {
+    homepage = "https://networkx.github.io/";
+    description = "Library for the creation, manipulation, and study of the structure, dynamics, and functions of complex networks";
+    license = lib.licenses.bsd3;
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index e3ec44aefc72..954473592fc8 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -5732,7 +5732,9 @@ in {
 
   parsimonious = callPackage ../development/python-modules/parsimonious { };
 
-  networkx = callPackage ../development/python-modules/networkx { };
+  networkx = if isPy3k then callPackage ../development/python-modules/networkx { }
+    else
+      callPackage ../development/python-modules/networkx/2.2.nix { };
 
   ofxclient = callPackage ../development/python-modules/ofxclient {};