Fix issues raised by linter (#738)

* fix linter issue with quotes

* fix issue with common.vm cmdlet not recognized

virtualbox/vbox-build-flare-vm.py

@@ -229,7 +229,10 @@ def build_vm(vm_name, exported_vm_name, snapshots, date, custom_config, do_not_i
         notice_file_name = snapshot.get("legal_notice", None)
         if notice_file_name:
             notice_file_path = rf"C:\Users\{GUEST_USERNAME}\Desktop\{notice_file_name}"
-            set_notice_cmd = f"Import-Module $env:VM_COMMON_DIR\\vm.common\\vm.common.psm1; VM-Set-Legal-Notice (Get-Content '{notice_file_path}' -Raw)"
+            set_notice_cmd = (
+                f"Import-Module $env:VM_COMMON_DIR\\vm.common\\vm.common.psm1; "
+                f"VM-Set-Legal-Notice (Get-Content '{notice_file_path}' -Raw)"
+            )
             run_command(vm_uuid, set_notice_cmd)
 
         # Perform clean up: run 'VM-Clean-Up' excluding configured files and folders

virtualbox/vboxcommon.py

@@ -53,7 +53,7 @@ def __run_vboxmanage(cmd, real_time=False):
     # which can cause conflicts with external binaries like VBoxManage.
     # We create a clean environment for the subprocess to use the system's libraries.
     env = os.environ.copy()
-    if getattr(sys, 'frozen', False) and "LD_LIBRARY_PATH" in env:
+    if getattr(sys, "frozen", False) and "LD_LIBRARY_PATH" in env:
         # 'sys.frozen' is True when running from a PyInstaller executable.
         # We can either remove the variable or, more safely, restore the original
         # one if PyInstaller saved it. PyInstaller often saves it as LD_LIBRARY_PATH_ORIG.