style: removed unused imports

bench/cli.py

@@ -1,6 +1,6 @@
 import click
 import os, sys, logging, json, pwd, subprocess
-from bench.utils import is_root, PatchError, drop_privileges, get_env_cmd, get_cmd_output, get_frappe, log, is_bench_directory, find_parent_bench
+from bench.utils import is_root, PatchError, drop_privileges, get_env_cmd, get_cmd_output, get_frappe, log, find_parent_bench
 from bench.app import get_apps
 from bench.config.common_site_config import get_config
 from bench.commands import bench_command

bench/commands/setup.py

@@ -1,7 +1,6 @@
 # imports - standard imports
 import os
 import sys
-import json
 
 # imports - module imports
 from bench.utils import exec_cmd

bench/commands/update.py

@@ -1,6 +1,5 @@
 # imports - standard imports
 import os
-import sys
 
 # imports - third party imports
 import click

bench/commands/utils.py

@@ -1,5 +1,4 @@
 # imports - standard imports
-import copy
 import os
 import sys