Nix error when running discord py bot

I was running my bot well, and I shut it off. When I tried to start it again the console displayed the message found below:

nix error: building nix env: exit status 1
Output has been trimmed to the last 20 lines
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/pkgs/top-level/config.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/lib/options.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/pkgs/stdenv/linux/default.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/pkgs/top-level/stage.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/pkgs/stdenv/adapters.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/pkgs/build-support/trivial-builders.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/pkgs/top-level/splice.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/pkgs/top-level/all-packages.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/pkgs/top-level/aliases.nix'
evaluating file '/nix/store/ki2jvm59r70z94nhzxa1hqsn2amr5n62-nixpkgs-stable-21_11-21.11.tar.gz/nixpkgs-stable-21_11/overlay.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/pkgs/stdenv/generic/default.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/lib/customisation.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/pkgs/tools/text/gawk/default.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/pkgs/servers/x11/xorg/default.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/pkgs/servers/x11/xorg/overrides.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/pkgs/stdenv/generic/make-derivation.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/pkgs/build-support/mkshell/default.nix'
evaluating file '/home/runner/The-Dookis-Supreme-/replit.nix'
error: undefined variable 'are' at /home/runner/The-Dookis-Supreme-/replit.nix:4:14

/home/runner/The-Dookis-Supreme-/venv/bin/python3: line 3: exec: : not found
exit status 127
nix error: building nix env: exit status 1
Output has been trimmed to the last 20 lines
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/pkgs/top-level/config.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/lib/options.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/pkgs/stdenv/linux/default.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/pkgs/top-level/stage.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/pkgs/stdenv/adapters.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/pkgs/build-support/trivial-builders.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/pkgs/top-level/splice.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/pkgs/top-level/all-packages.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/pkgs/top-level/aliases.nix'
evaluating file '/nix/store/ki2jvm59r70z94nhzxa1hqsn2amr5n62-nixpkgs-stable-21_11-21.11.tar.gz/nixpkgs-stable-21_11/overlay.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/pkgs/stdenv/generic/default.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/lib/customisation.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/pkgs/tools/text/gawk/default.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/pkgs/servers/x11/xorg/default.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/pkgs/servers/x11/xorg/overrides.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/pkgs/stdenv/generic/make-derivation.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/pkgs/build-support/mkshell/default.nix'
evaluating file '/home/runner/The-Dookis-Supreme-/replit.nix'
error: undefined variable 'are' at /home/runner/The-Dookis-Supreme-/replit.nix:4:14

nix error: building nix env: exit status 1
Output has been trimmed to the last 20 lines
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/pkgs/top-level/config.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/lib/options.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/pkgs/stdenv/linux/default.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/pkgs/top-level/stage.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/pkgs/stdenv/adapters.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/pkgs/build-support/trivial-builders.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/pkgs/top-level/splice.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/pkgs/top-level/all-packages.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/pkgs/top-level/aliases.nix'
evaluating file '/nix/store/ki2jvm59r70z94nhzxa1hqsn2amr5n62-nixpkgs-stable-21_11-21.11.tar.gz/nixpkgs-stable-21_11/overlay.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-n
 python3 main.py
nix error: building nix env: exit status 1
Output has been trimmed to the last 20 lines
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/pkgs/top-level/config.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/lib/options.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/pkgs/stdenv/linux/default.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/pkgs/top-level/stage.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/pkgs/stdenv/adapters.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/pkgs/build-support/trivial-builders.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/pkgs/top-level/splice.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/pkgs/top-level/all-packages.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/pkgs/top-level/aliases.nix'
evaluating file '/nix/store/ki2jvm59r70z94nhzxa1hqsn2amr5n62-nixpkgs-stable-21_11-21.11.tar.gz/nixpkgs-stable-21_11/overlay.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/pkgs/stdenv/generic/default.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/lib/customisation.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/pkgs/tools/text/gawk/default.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/pkgs/servers/x11/xorg/default.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/pkgs/servers/x11/xorg/overrides.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/pkgs/stdenv/generic/make-derivation.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/pkgs/build-support/mkshell/default.nix'
evaluating file '/home/runner/The-Dookis-Supreme-/replit.nix'
error: undefined variable 'are' at /home/runner/The-Dookis-Supreme-/replit.nix:4:14

/home/runner/The-Dookis-Supreme-/venv/bin/python3: line 3: exec: : not found
exit status 127
nix error: building nix env: exit status 1
Output has been trimmed to the last 20 lines
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/pkgs/top-level/config.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/lib/options.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/pkgs/stdenv/linux/default.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/pkgs/top-level/stage.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/pkgs/stdenv/adapters.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/pkgs/build-support/trivial-builders.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/pkgs/top-level/splice.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/pkgs/top-level/all-packages.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/pkgs/top-level/aliases.nix'
evaluating file '/nix/store/ki2jvm59r70z94nhzxa1hqsn2amr5n62-nixpkgs-stable-21_11-21.11.tar.gz/nixpkgs-stable-21_11/overlay.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/pkgs/stdenv/generic/default.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/lib/customisation.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/pkgs/tools/text/gawk/default.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/pkgs/servers/x11/xorg/default.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/pkgs/servers/x11/xorg/overrides.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/pkgs/stdenv/generic/make-derivation.nix'
evaluating file '/nix/store/x8dbrija74rnw16hrbw5r5apx9k81giz-nixpkgs-21.11-src/pkgs/build-support/mkshell/default.nix'
evaluating file '/home/runner/The-Dookis-Supreme-/replit.nix'
error: undefined variable 'are' at /home/runner/The-Dookis-Supreme-/replit.nix:4:14

I can’t provide much more info besides a link the the repl, as I don’t know what any of this means.

https://replit.com/@upsideumop/The-Dookis-Supreme