not needed with modern python versions

Index: compiledb/compiler.py
--- compiledb/compiler.py.orig
+++ compiledb/compiler.py
@@ -1,9 +1,8 @@
 import logging
 import os
+import shutil
 from subprocess import PIPE
 
-from shutilwhich import which
-
 from compiledb.utils import popen
 
 _logger = logging.getLogger(__name__)
@@ -37,7 +36,7 @@ class Compiler:
 
     def _find_full_path(self):
         """Get a full path to the compiler executable."""
-        full_path = which(self.name)
+        full_path = shutil.which(self.name)
 
         if full_path is None:
             full_path = self.name
