Unify python executables to use `#!/usr/bin/env python` shebang (#2102)
* fixed shebangs in tools (and lib)
* fixed shebangs in examples
* do not mangle shebangs in rpm spec
* renamed style-check.sh to c-style-check.sh
* factored out python linter to a separate file
* added shebang validation to the py-style-check
* added shebangs to all python executables
diff --git a/tools/tcpaccept.py b/tools/tcpaccept.py
index e278075..d8ef4eb 100755
--- a/tools/tcpaccept.py
+++ b/tools/tcpaccept.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
# @lint-avoid-python-3-compatibility-imports
#
# tcpaccept Trace TCP accept()s.