call_subprocess: drop useless command_level arg

always called with debug

pip/req/req_install.py

@@ -424,7 +424,6 @@ class InstallRequirement(object):
                 egg_info_cmd + egg_base_option,
                 cwd=self.setup_py_dir,
                 show_stdout=False,
-                command_level=logging.DEBUG,
                 command_desc='python setup.py egg_info')
 
         if not self.req:

pip/utils/__init__.py

@@ -623,7 +623,7 @@ def unpack_file(filename, location, content_type, link):
 
 def call_subprocess(cmd, show_stdout=True, cwd=None,
                     on_returncode='raise',
-                    command_level=std_logging.DEBUG, command_desc=None,
+                    command_desc=None,
                     extra_environ=None, spinner=None):
     # This function's handling of subprocess output is confusing and I
     # previously broke it terribly, so as penance I will write a long comment
@@ -657,7 +657,7 @@ def call_subprocess(cmd, show_stdout=True, cwd=None,
                 part = '"%s"' % part.replace('"', '\\"')
             cmd_parts.append(part)
         command_desc = ' '.join(cmd_parts)
-    logger.log(command_level, "Running command %s", command_desc)
+    logger.debug("Running command %s", command_desc)
     env = os.environ.copy()
     if extra_environ:
         env.update(extra_environ)

pip/vcs/__init__.py

@@ -310,7 +310,7 @@ class VersionControl(object):
 
     def run_command(self, cmd, show_stdout=True, cwd=None,
                     on_returncode='raise',
-                    command_level=logging.DEBUG, command_desc=None,
+                    command_desc=None,
                     extra_environ=None, spinner=None):
         """
         Run a VCS subcommand
@@ -320,7 +320,7 @@ class VersionControl(object):
         cmd = [self.name] + cmd
         try:
             return call_subprocess(cmd, show_stdout, cwd,
-                                   on_returncode, command_level,
+                                   on_returncode,
                                    command_desc, extra_environ,
                                    spinner)
         except OSError as e: