fix: catch OSError when running subprocess

docs/CHANGELOG.md

@@ -3,6 +3,7 @@
 ## 3.1.10 (2022-04-18)
 
 - fix #1249: catch exceptions when requesting with disabling allow_redirects
+- fix: catch OSError when running subprocess
 
 ## 3.1.9 (2022-04-17)
 

httprunner/make.py

@@ -172,7 +172,7 @@ def format_pytest_with_black(*python_paths: Text):
         capture_exception(ex)
         logger.error(ex)
         sys.exit(1)
-    except FileNotFoundError:
+    except OSError:
         err_msg = """
 missing dependency tool: black
 install black manually and try again:

httprunner/scaffold.py

@@ -26,7 +26,7 @@ def create_scaffold(project_name):
             print(f"\n$ tree {prj_name} -a")
             subprocess.run(["tree", prj_name, "-a"])
             print("")
-        except FileNotFoundError:
+        except OSError:
             logger.warning("tree command not exists, ignore.")
 
     if os.path.isdir(project_name):