treewide: remove redundant quotes

pkgs/development/python-modules/alot/default.nix

@@ -15,7 +15,7 @@ buildPythonPackage rec {
   src = fetchFromGitHub {
     owner = "pazz";
     repo = "alot";
-    rev = "${version}";
+    rev = version;
     sha256 = "1isn0p0i2a7dlbrdk5ib01xa1wgi6bi9ka4xl4vj8iw1q4i5fqv9";
   };
 

pkgs/development/python-modules/ansible-kernel/default.nix

@@ -16,7 +16,7 @@
 
 let
   kernelSpecFile = writeText "kernel.json" (builtins.toJSON {
-    argv = [ "${python.interpreter}" "-m" "ansible_kernel" "-f" "{connection_file}" ];
+    argv = [ python.interpreter "-m" "ansible_kernel" "-f" "{connection_file}" ];
     codemirror_mode = "yaml";
     display_name = "Ansible";
     language = "ansible";

pkgs/development/python-modules/bap/default.nix

@@ -6,7 +6,7 @@ buildPythonPackage rec {
   src = fetchFromGitHub {
     owner = "BinaryAnalysisPlatform";
     repo = "bap-python";
-    rev = "${version}";
+    rev = version;
     sha256 = "1ahkrmcn7qaivps1gar8wd9mq2qqyx6zzvznf5r9rr05h17x5lbp";
   };
 

pkgs/development/python-modules/beaker/default.nix

@@ -25,7 +25,7 @@ buildPythonPackage rec {
   src = fetchFromGitHub {
     owner = "bbangert";
     repo = "beaker";
-    rev = "${version}";
+    rev = version;
     sha256 = "0xrvg503xmi28w0hllr4s7fkap0p09fgw2wax3p1s2r6b3xjvbz7";
   };
 

pkgs/development/python-modules/hocr-tools/default.nix

@@ -11,7 +11,7 @@ buildPythonPackage rec {
 
   src = fetchFromGitHub {
     owner = "tmbdev";
-    repo = "${pname}";
+    repo = pname;
     rev = "v${version}";
     sha256 = "14f9hkp7pr677085w8iidwd0la9cjzy3pyj3rdg9b03nz9pc0w6p";
   };

pkgs/development/python-modules/locustio/default.nix

@@ -16,7 +16,7 @@ buildPythonPackage rec {
   src = fetchFromGitHub {
     owner = "locustio";
     repo = "locust";
-    rev = "${version}";
+    rev = version;
     sha256 = "1645d63ig4ymw716b6h53bhmjqqc13p9r95k1xfx66ck6vdqnisd";
   };
 

pkgs/development/python-modules/ludios_wpull/default.nix

@@ -19,7 +19,7 @@ buildPythonPackage rec {
   disabled = !isPy3k;
 
   src = fetchFromGitHub {
-    rev = "${version}";
+    rev = version;
     owner = "ludios";
     repo = "wpull";
     sha256 = "1j96avm0ynbazypzp766wh26n4qc73y7wgsiqfrdfl6x7rx20wgf";

pkgs/development/python-modules/magic/default.nix

@@ -4,7 +4,7 @@
 }:
 
 buildPythonPackage {
-  name = "${pkgs.file.name}";
+  name = pkgs.file.name;
 
   src = pkgs.file.src;
 

pkgs/development/python-modules/netcdf4/default.nix

@@ -37,10 +37,10 @@ buildPythonPackage rec {
 
   # Variables used to configure the build process
   USE_NCCONFIG="0";
-  HDF5_DIR="${hdf5}";
-  NETCDF4_DIR="${netcdf}";
-  CURL_DIR="${curl.dev}";
-  JPEG_DIR="${libjpeg.dev}";
+  HDF5_DIR=hdf5;
+  NETCDF4_DIR=netcdf;
+  CURL_DIR=curl.dev;
+  JPEG_DIR=libjpeg.dev;
 
   meta = with stdenv.lib; {
     description = "Interface to netCDF library (versions 3 and 4)";

pkgs/development/python-modules/nmigen/default.nix

@@ -37,7 +37,7 @@ buildPythonPackage rec {
 
   postPatch = let
     tool = pkg: name:
-      if pkg == null then {} else { "${name}" = "${pkg}/bin/${name}"; };
+      if pkg == null then {} else { ${name} = "${pkg}/bin/${name}"; };
 
     # Only FOSS toolchain supported out of the box, sorry!
     toolchainOverrides =

pkgs/development/python-modules/pdfminer_six/default.nix

@@ -7,7 +7,7 @@ buildPythonPackage rec {
   src = fetchFromGitHub {
     owner = "pdfminer";
     repo = "pdfminer.six";
-    rev = "${version}";
+    rev = version;
     sha256 = "1v8pcx43fgidv1g54s92k85anvcss08blkhm4yi1hn1ybl0mmw6c";
   };
 

pkgs/development/python-modules/pybluez/default.nix

@@ -12,7 +12,7 @@ buildPythonPackage rec {
 
   src = fetchFromGitHub {
     owner = "karulis";
-    repo = "${pname}";
+    repo = pname;
     rev = "a0b226a61b166e170d48539778525b31e47a4731";
     sha256 = "104dm5ngfhqisv1aszdlr3szcav2g3bhsgzmg4qfs09b3i5zj047";
   };

pkgs/development/python-modules/pytesseract/default.nix

@@ -12,7 +12,7 @@ buildPythonPackage rec {
   patches = [
     (substituteAll {
       src = ./tesseract-binary.patch;
-      drv = "${tesseract}";
+      drv = tesseract;
     })
   ];
 

pkgs/development/python-modules/pytest-helpers-namespace/default.nix

@@ -10,7 +10,7 @@ buildPythonPackage rec {
 
   src = fetchFromGitHub {
     owner = "saltstack";
-    repo = "${pname}";
+    repo = pname;
     rev = "v${version}";
     sha256 = "0z9f25d2wpf3lnqzmmnrlvl5b1f7kqwjjf4nzs9x2bpf91s5zny1";
   };

pkgs/development/python-modules/ruffus/default.nix

@@ -13,7 +13,7 @@ buildPythonPackage rec {
 
   src = fetchFromGitHub {
     owner = "cgat-developers";
-    repo = "${pname}";
+    repo = pname;
     rev = "v${version}";
     sha256 = "1gyabqafq4s2sy0prh3k1m8859shzjmfxr7fimx10liflvki96a9";
   };

pkgs/development/python-modules/shiboken2/default.nix

@@ -14,7 +14,7 @@ stdenv.mkDerivation {
     cd sources/shiboken2
   '';
 
-  CLANG_INSTALL_DIR = "${llvmPackages.libclang.out}";
+  CLANG_INSTALL_DIR = llvmPackages.libclang.out;
 
   nativeBuildInputs = [ cmake ];
   buildInputs = [ llvmPackages.libclang python qt5.qtbase qt5.qtxmlpatterns ];

pkgs/development/python-modules/sklearn-deap/default.nix

@@ -8,7 +8,7 @@ buildPythonPackage rec {
   src = fetchFromGitHub {
     owner = "rsteca";
     repo = pname;
-    rev = "${version}";
+    rev = version;
     sha256 = "1yqnmy8h08i2y6bb2s0a5nx9cwvyg45293whqh420c195gpzg1x3";
   };
 

pkgs/development/python-modules/slackclient/default.nix

@@ -7,7 +7,7 @@ buildPythonPackage rec {
   src = fetchFromGitHub {
     owner  = "slackapi";
     repo   = pname;
-    rev    = "${version}";
+    rev    = version;
     sha256 = "073fwf6fm2sqdp5ms3vm1v3ljh0pldi69k048404rp6iy3cfwkp0";
   };
 

pkgs/development/python-modules/sqlalchemy-imageattach/default.nix

@@ -15,7 +15,7 @@ buildPythonPackage rec {
   src = pkgs.fetchFromGitHub {
     repo = "sqlalchemy-imageattach";
     owner = "dahlia";
-    rev = "${version}";
+    rev = version;
     sha256 = "0ba97pn5dh00qvxyjbr0mr3pilxqw5kb3a6jd4wwbsfcv6nngqig";
   };
 

pkgs/development/python-modules/tensorflow/bin.nix

@@ -51,7 +51,7 @@ in buildPythonPackage {
   format = "wheel";
 
   src = let
-    pyVerNoDot = lib.strings.stringAsChars (x: if x == "." then "" else x) "${python.pythonVersion}";
+    pyVerNoDot = lib.strings.stringAsChars (x: if x == "." then "" else x) python.pythonVersion;
     pyver = if stdenv.isDarwin then builtins.substring 0 1 pyVerNoDot else pyVerNoDot;
     platform = if stdenv.isDarwin then "mac" else "linux";
     unit = if cudaSupport then "gpu" else "cpu";

pkgs/development/python-modules/unicorn/default.nix

@@ -10,7 +10,7 @@ buildPythonPackage rec {
   };
 
   # needs python2 at build time
-  PYTHON="${buildPackages.python2.interpreter}";
+  PYTHON=buildPackages.python2.interpreter;
 
   setupPyBuildFlags = [ "--plat-name" "linux" ];
 

pkgs/development/python-modules/urwidtrees/default.nix

@@ -11,7 +11,7 @@ buildPythonPackage rec {
   src = fetchFromGitHub {
     owner = "pazz";
     repo = "urwidtrees";
-    rev = "${version}";
+    rev = version;
     sha256 = "1n1kpidvkdnsqyb82vlvk78gmly96kh8351lqxn2pzgwwns6fml2";
   };
 

pkgs/development/python-modules/vultr/default.nix

@@ -11,7 +11,7 @@ buildPythonPackage rec {
   src = fetchFromGitHub {
       owner = "spry-group";
       repo = "python-vultr";
-      rev = "${version}";
+      rev = version;
       sha256 = "1qjvvr2v9gfnwskdl0ayazpcmiyw9zlgnijnhgq9mcri5gq9jw5h";
   };