HBASE-26747 Use python2 instead of python in our python scripts (#4102)

Apache9 · Apache9 · commit 64a7c7b9a0d1 · 2022-02-09T16:31:31.000+08:00
Signed-off-by: Xin Sun &lt;ddupgs@gmail.com&gt;
diff --git a/dev-support/checkcompatibility.py b/dev-support/checkcompatibility.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python2
 #
 # Licensed to the Apache Software Foundation (ASF) under one
 # or more contributor license agreements.  See the NOTICE file
diff --git a/dev-support/checkstyle_report.py b/dev-support/checkstyle_report.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/python2
 ##
 # Licensed to the Apache Software Foundation (ASF) under one
 # or more contributor license agreements.  See the NOTICE file
diff --git a/dev-support/flaky-tests/findHangingTests.py b/dev-support/flaky-tests/findHangingTests.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python2
 ##
 # Licensed to the Apache Software Foundation (ASF) under one
 # or more contributor license agreements.  See the NOTICE file
diff --git a/dev-support/flaky-tests/report-flakies.py b/dev-support/flaky-tests/report-flakies.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python2
 ##
 # Licensed to the Apache Software Foundation (ASF) under one
 # or more contributor license agreements.  See the NOTICE file
diff --git a/dev-support/gen_redirect_html.py b/dev-support/gen_redirect_html.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/python2
 ##
 # Licensed to the Apache Software Foundation (ASF) under one
 # or more contributor license agreements.  See the NOTICE file
diff --git a/dev-support/submit-patch.py b/dev-support/submit-patch.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python2
 ##
 # Licensed to the Apache Software Foundation (ASF) under one
 # or more contributor license agreements.  See the NOTICE file

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-#!/usr/bin/env python`
	`1`	`+#!/usr/bin/env python2`
`2`	`2`	`#`
`3`	`3`	`# Licensed to the Apache Software Foundation (ASF) under one`
`4`	`4`	`# or more contributor license agreements. See the NOTICE file`
Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-#!/usr/bin/python`
	`1`	`+#!/usr/bin/python2`
`2`	`2`	`##`
`3`	`3`	`# Licensed to the Apache Software Foundation (ASF) under one`
`4`	`4`	`# or more contributor license agreements. See the NOTICE file`