diff --git a/pkgs/liquid-swap/default.nix b/pkgs/liquid-swap/default.nix
index 103e892..f1fa022 100644
--- a/pkgs/liquid-swap/default.nix
+++ b/pkgs/liquid-swap/default.nix
@@ -3,6 +3,7 @@
 buildPythonPackage rec {
   pname = "liquid-swap";
   version = "0.0.2";
+  format = "setuptools";
 
   propagatedBuildInputs = [ click ];
 
diff --git a/pkgs/python-packages/bencoderpyx/default.nix b/pkgs/python-packages/bencoderpyx/default.nix
index d71dc31..68dc67d 100644
--- a/pkgs/python-packages/bencoderpyx/default.nix
+++ b/pkgs/python-packages/bencoderpyx/default.nix
@@ -3,6 +3,7 @@
 buildPythonPackage rec {
   pname = "bencoder.pyx";
   version = "3.0.1";
+  format = "setuptools";
 
   src = fetchurl {
     url = "https://github.com/whtsky/bencoder.pyx/archive/9a47768f3ceba9df9e6fbaa7c445f59960889009.tar.gz";
diff --git a/pkgs/python-packages/chromalog/default.nix b/pkgs/python-packages/chromalog/default.nix
index 80739f6..1522a42 100644
--- a/pkgs/python-packages/chromalog/default.nix
+++ b/pkgs/python-packages/chromalog/default.nix
@@ -2,6 +2,7 @@
 buildPythonPackage rec {
   pname = "chromalog";
   version = "1.0.5";
+  format = "setuptools";
 
   src = fetchFromGitHub {
     owner = "freelan-developers";
diff --git a/pkgs/python-packages/joinmarket/default.nix b/pkgs/python-packages/joinmarket/default.nix
index 4721017..1a318fd 100644
--- a/pkgs/python-packages/joinmarket/default.nix
+++ b/pkgs/python-packages/joinmarket/default.nix
@@ -13,7 +13,7 @@
 , twisted
 , txtorcon
 , python-bitcointx
-, argon2_cffi
+, argon2-cffi
 , autobahn
 , bencoderpyx
 , klein
@@ -48,7 +48,7 @@ buildPythonPackage rec {
     python-bitcointx
 
     # jmclient
-    argon2_cffi
+    argon2-cffi
     autobahn
     bencoderpyx
     klein
diff --git a/pkgs/python-packages/python-bitcointx/default.nix b/pkgs/python-packages/python-bitcointx/default.nix
index 7f42ef2..8f407c0 100644
--- a/pkgs/python-packages/python-bitcointx/default.nix
+++ b/pkgs/python-packages/python-bitcointx/default.nix
@@ -3,6 +3,7 @@
 buildPythonPackage rec {
   pname = "python-bitcointx";
   version = "1.1.5";
+  format = "setuptools";
 
   src = fetchFromGitHub {
     owner = "Simplexum";
diff --git a/pkgs/python-packages/specific-versions/autobahn.nix b/pkgs/python-packages/specific-versions/autobahn.nix
index 0b2e106..e880605 100644
--- a/pkgs/python-packages/specific-versions/autobahn.nix
+++ b/pkgs/python-packages/specific-versions/autobahn.nix
@@ -2,19 +2,20 @@
 # but without Python 2 support
 
 { lib, buildPythonPackage, fetchPypi,
-  six, txaio, twisted, zope_interface, cffi,
+  six, txaio, twisted, zope-interface, cffi,
   mock, pytest, cryptography, pynacl
 }:
 buildPythonPackage rec {
   pname = "autobahn";
   version = "20.12.3";
+  format = "setuptools";
 
   src = fetchPypi {
     inherit pname version;
     sha256 = "15b8zm7jalwisfwc08szxy3bh2bnn0hd41dbsnswi0lqwbh962j1";
   };
 
-  propagatedBuildInputs = [ six txaio twisted zope_interface cffi cryptography pynacl ];
+  propagatedBuildInputs = [ six txaio twisted zope-interface cffi cryptography pynacl ];
 
   checkInputs = [ mock pytest ];
   checkPhase = ''
diff --git a/pkgs/python-packages/txzmq/default.nix b/pkgs/python-packages/txzmq/default.nix
index b3799aa..920e552 100644
--- a/pkgs/python-packages/txzmq/default.nix
+++ b/pkgs/python-packages/txzmq/default.nix
@@ -9,6 +9,7 @@
 buildPythonPackage rec {
   pname = "txzmq";
   version = "0.8.2";
+  format = "setuptools";
 
   src = fetchPypi {
     pname = "txZMQ";
@@ -18,7 +19,6 @@ buildPythonPackage rec {
 
   propagatedBuildInputs = [
     pyzmq
-    setuptools
     twisted
   ];