diff --git a/pkgs/development/interpreters/python/cpython/docs/2.7-html.nix b/pkgs/development/interpreters/python/cpython/docs/2.7-html.nix
index 48478293a45a..a15bca1e013e 100644
--- a/pkgs/development/interpreters/python/cpython/docs/2.7-html.nix
+++ b/pkgs/development/interpreters/python/cpython/docs/2.7-html.nix
@@ -7,7 +7,7 @@ stdenv.mkDerivation {
   version = "2.7.18";
 
   src = fetchurl {
-    url = http://www.python.org/ftp/python/doc/2.7.18/python-2.7.18-docs-html.tar.bz2;
+    url = "http://www.python.org/ftp/python/doc/2.7.18/python-2.7.18-docs-html.tar.bz2";
     sha256 = "03igxwpqc2lvzspnj78zz1prnmfwwj00jbvh1wsxvb0wayd5wi10";
   };
   installPhase = ''
diff --git a/pkgs/development/interpreters/python/cpython/docs/2.7-pdf-a4.nix b/pkgs/development/interpreters/python/cpython/docs/2.7-pdf-a4.nix
index 497f2932c53c..54b28992d472 100644
--- a/pkgs/development/interpreters/python/cpython/docs/2.7-pdf-a4.nix
+++ b/pkgs/development/interpreters/python/cpython/docs/2.7-pdf-a4.nix
@@ -7,7 +7,7 @@ stdenv.mkDerivation {
   version = "2.7.18";
 
   src = fetchurl {
-    url = http://www.python.org/ftp/python/doc/2.7.18/python-2.7.18-docs-pdf-a4.tar.bz2;
+    url = "http://www.python.org/ftp/python/doc/2.7.18/python-2.7.18-docs-pdf-a4.tar.bz2";
     sha256 = "0rxb2fpxwivjpk5wi2pl1fqibr4khf9s0yq6a49k9b4awi9nkb6v";
   };
   installPhase = ''
diff --git a/pkgs/development/interpreters/python/cpython/docs/2.7-pdf-letter.nix b/pkgs/development/interpreters/python/cpython/docs/2.7-pdf-letter.nix
index 05629a18bed5..84cf35f385a1 100644
--- a/pkgs/development/interpreters/python/cpython/docs/2.7-pdf-letter.nix
+++ b/pkgs/development/interpreters/python/cpython/docs/2.7-pdf-letter.nix
@@ -7,7 +7,7 @@ stdenv.mkDerivation {
   version = "2.7.18";
 
   src = fetchurl {
-    url = http://www.python.org/ftp/python/doc/2.7.18/python-2.7.18-docs-pdf-letter.tar.bz2;
+    url = "http://www.python.org/ftp/python/doc/2.7.18/python-2.7.18-docs-pdf-letter.tar.bz2";
     sha256 = "07hbqvrdlq01cb95r1574bxqqhiqbkj4f92wzlq4d6dq1l272nan";
   };
   installPhase = ''
diff --git a/pkgs/development/interpreters/python/cpython/docs/2.7-text.nix b/pkgs/development/interpreters/python/cpython/docs/2.7-text.nix
index 7804120a66fe..5d25344e4bdc 100644
--- a/pkgs/development/interpreters/python/cpython/docs/2.7-text.nix
+++ b/pkgs/development/interpreters/python/cpython/docs/2.7-text.nix
@@ -7,7 +7,7 @@ stdenv.mkDerivation {
   version = "2.7.18";
 
   src = fetchurl {
-    url = http://www.python.org/ftp/python/doc/2.7.18/python-2.7.18-docs-text.tar.bz2;
+    url = "http://www.python.org/ftp/python/doc/2.7.18/python-2.7.18-docs-text.tar.bz2";
     sha256 = "1wj7mxs52kp5lmn5mvv574sygkfnk00kbz9ya9c03yfq5dd5nvy8";
   };
   installPhase = ''
diff --git a/pkgs/development/interpreters/python/cpython/docs/3.10-html.nix b/pkgs/development/interpreters/python/cpython/docs/3.10-html.nix
index 2fd9cc841aad..6efe8d571a77 100644
--- a/pkgs/development/interpreters/python/cpython/docs/3.10-html.nix
+++ b/pkgs/development/interpreters/python/cpython/docs/3.10-html.nix
@@ -7,7 +7,7 @@ stdenv.mkDerivation {
   version = "3.10.7";
 
   src = fetchurl {
-    url = http://www.python.org/ftp/python/doc/3.10.7/python-3.10.7-docs-html.tar.bz2;
+    url = "http://www.python.org/ftp/python/doc/3.10.7/python-3.10.7-docs-html.tar.bz2";
     sha256 = "0j86z1vmaghzj5i4frvzyfb9qwsmm09g4f4ssx5w27cm30b8k0v1";
   };
   installPhase = ''
diff --git a/pkgs/development/interpreters/python/cpython/docs/3.10-pdf-a4.nix b/pkgs/development/interpreters/python/cpython/docs/3.10-pdf-a4.nix
index af146cc85987..1cbbf179a2e2 100644
--- a/pkgs/development/interpreters/python/cpython/docs/3.10-pdf-a4.nix
+++ b/pkgs/development/interpreters/python/cpython/docs/3.10-pdf-a4.nix
@@ -7,7 +7,7 @@ stdenv.mkDerivation {
   version = "3.10.7";
 
   src = fetchurl {
-    url = http://www.python.org/ftp/python/doc/3.10.7/python-3.10.7-docs-pdf-a4.tar.bz2;
+    url = "http://www.python.org/ftp/python/doc/3.10.7/python-3.10.7-docs-pdf-a4.tar.bz2";
     sha256 = "1gvi457dsj3ywwvxysp7idkk9ndngnby1dnfh1q8f5gv3kg4093r";
   };
   installPhase = ''
diff --git a/pkgs/development/interpreters/python/cpython/docs/3.10-pdf-letter.nix b/pkgs/development/interpreters/python/cpython/docs/3.10-pdf-letter.nix
index 77d317ad08ce..6b24450855b2 100644
--- a/pkgs/development/interpreters/python/cpython/docs/3.10-pdf-letter.nix
+++ b/pkgs/development/interpreters/python/cpython/docs/3.10-pdf-letter.nix
@@ -7,7 +7,7 @@ stdenv.mkDerivation {
   version = "3.10.7";
 
   src = fetchurl {
-    url = http://www.python.org/ftp/python/doc/3.10.7/python-3.10.7-docs-pdf-letter.tar.bz2;
+    url = "http://www.python.org/ftp/python/doc/3.10.7/python-3.10.7-docs-pdf-letter.tar.bz2";
     sha256 = "0hzq5n6absqsh21jp6j5iaim9a1wq69d8lc2assldzb2zg4i75hr";
   };
   installPhase = ''
diff --git a/pkgs/development/interpreters/python/cpython/docs/3.10-texinfo.nix b/pkgs/development/interpreters/python/cpython/docs/3.10-texinfo.nix
index a9f9b8436eb6..694ed0e9ad94 100644
--- a/pkgs/development/interpreters/python/cpython/docs/3.10-texinfo.nix
+++ b/pkgs/development/interpreters/python/cpython/docs/3.10-texinfo.nix
@@ -7,7 +7,7 @@ stdenv.mkDerivation {
   version = "3.10.7";
 
   src = fetchurl {
-    url = http://www.python.org/ftp/python/doc/3.10.7/python-3.10.7-docs-texinfo.tar.bz2;
+    url = "http://www.python.org/ftp/python/doc/3.10.7/python-3.10.7-docs-texinfo.tar.bz2";
     sha256 = "0p0fifi84ijz4ng6krw7c1x965jhgysprkijblmlnax7x9rmqrdf";
   };
   installPhase = ''
diff --git a/pkgs/development/interpreters/python/cpython/docs/3.10-text.nix b/pkgs/development/interpreters/python/cpython/docs/3.10-text.nix
index 997f753e8de4..4ada4e2b704d 100644
--- a/pkgs/development/interpreters/python/cpython/docs/3.10-text.nix
+++ b/pkgs/development/interpreters/python/cpython/docs/3.10-text.nix
@@ -7,7 +7,7 @@ stdenv.mkDerivation {
   version = "3.10.7";
 
   src = fetchurl {
-    url = http://www.python.org/ftp/python/doc/3.10.7/python-3.10.7-docs-text.tar.bz2;
+    url = "http://www.python.org/ftp/python/doc/3.10.7/python-3.10.7-docs-text.tar.bz2";
     sha256 = "1zbmm2fvdjnl214y41yffyqw3ywfai5r5npc00n1wkfxsdp7gcc3";
   };
   installPhase = ''
diff --git a/pkgs/development/interpreters/python/cpython/docs/template-info.nix b/pkgs/development/interpreters/python/cpython/docs/template-info.nix
index 19de8e8066d5..4f5d4b3e37ab 100644
--- a/pkgs/development/interpreters/python/cpython/docs/template-info.nix
+++ b/pkgs/development/interpreters/python/cpython/docs/template-info.nix
@@ -7,7 +7,7 @@ stdenv.mkDerivation {
   version = "VERSION";
 
   src = fetchurl {
-    url = URL;
+    url = "URL";
     sha256 = "SHA";
   };
   installPhase = ''
diff --git a/pkgs/development/interpreters/python/cpython/docs/template.nix b/pkgs/development/interpreters/python/cpython/docs/template.nix
index 15fa7b288623..fff6e0bedb18 100644
--- a/pkgs/development/interpreters/python/cpython/docs/template.nix
+++ b/pkgs/development/interpreters/python/cpython/docs/template.nix
@@ -7,7 +7,7 @@ stdenv.mkDerivation {
   version = "VERSION";
 
   src = fetchurl {
-    url = URL;
+    url = "URL";
     sha256 = "SHA";
   };
   installPhase = ''