Rename installer to is_installer

Author: dukecat0

src/pipx/backend.py

@@ -10,13 +10,13 @@
 logger = logging.getLogger(__name__)
 
 
-def path_to_exec(executable: str, installer: bool = False) -> str:
+def path_to_exec(executable: str, is_installer: bool = False) -> str:
     if executable in ("venv", "pip"):
         return executable
     path = shutil.which(executable)
     if path:
         return path
-    elif installer:
+    elif is_installer:
         logger.warning(f"'{executable}' not found on PATH. Falling back to 'pip'.")
         return ""
     else:

src/pipx/venv.py

@@ -112,7 +112,7 @@ def __init__(
 
         if not path_to_exec(self.backend):
             self.backend = "venv"
-        if not path_to_exec(self.installer, installer=True):
+        if not path_to_exec(self.installer, is_installer=True):
             self.installer = "pip"
 
     def check_upgrade_shared_libs(self, verbose: bool, pip_args: List[str], force_upgrade: bool = False):
@@ -505,7 +505,7 @@ def _run_installer(
             return self._run_uv(["pip"] + install_cmd, quiet=quiet)
 
     def _run_uv(self, cmd: List[str], quiet: bool = True) -> "CompletedProcess[str]":
-        cmd = [path_to_exec("uv", installer=True)] + cmd + ["--python", str(self.python_path)]
+        cmd = [path_to_exec("uv", is_installer=True)] + cmd + ["--python", str(self.python_path)]
         if not self.verbose and quiet:
             cmd.append("-q")
         return run_subprocess(cmd, run_dir=str(self.root))