update python headers

Signed-off-by: Karol Gugala <[email protected]>

sdf_timing/__main__.py

@@ -1,12 +1,14 @@
 #!/usr/bin/env python3
+# coding: utf-8
+
 # Copyright (C) 2020  The SymbiFlow Authors.
 #
 # Use of this source code is governed by a ISC-style
 # license that can be found in the LICENSE file or at
 # https://opensource.org/licenses/ISC
 #
 # SPDX-License-Identifier: ISC
-#
+
 
 import argparse
 import json

sdf_timing/sdflex.py

@@ -1,11 +1,13 @@
+# coding: utf-8
+
 # Copyright (C) 2020  The SymbiFlow Authors.
 #
 # Use of this source code is governed by a ISC-style
 # license that can be found in the LICENSE file or at
 # https://opensource.org/licenses/ISC
 #
 # SPDX-License-Identifier: ISC
-#
+
 
 import ply.lex as lex
 

sdf_timing/sdfparse.py

@@ -1,4 +1,5 @@
 #!/usr/bin/env python3
+# coding: utf-8
 
 # Copyright (C) 2020  The SymbiFlow Authors.
 #
@@ -7,7 +8,7 @@
 # https://opensource.org/licenses/ISC
 #
 # SPDX-License-Identifier: ISC
-#
+
 
 from . import sdflex
 from . import sdfyacc

sdf_timing/sdfwrite.py

@@ -1,4 +1,5 @@
 #!/usr/bin/env python3
+# coding: utf-8
 
 # Copyright (C) 2020  The SymbiFlow Authors.
 #
@@ -7,7 +8,6 @@
 # https://opensource.org/licenses/ISC
 #
 # SPDX-License-Identifier: ISC
-#
 
 
 def gen_timing_entry(entry):

sdf_timing/sdfyacc.py

@@ -1,11 +1,12 @@
+# coding: utf-8
+
 # Copyright (C) 2020  The SymbiFlow Authors.
 #
 # Use of this source code is governed by a ISC-style
 # license that can be found in the LICENSE file or at
 # https://opensource.org/licenses/ISC
 #
 # SPDX-License-Identifier: ISC
-#
 
 import ply.yacc as yacc
 

sdf_timing/utils.py

@@ -1,11 +1,12 @@
+# coding: utf-8
+
 # Copyright (C) 2020  The SymbiFlow Authors.
 #
 # Use of this source code is governed by a ISC-style
 # license that can be found in the LICENSE file or at
 # https://opensource.org/licenses/ISC
 #
 # SPDX-License-Identifier: ISC
-#
 
 import re
 

setup.py

@@ -1,11 +1,12 @@
+# coding: utf-8
+
 # Copyright (C) 2020  The SymbiFlow Authors.
 #
 # Use of this source code is governed by a ISC-style
 # license that can be found in the LICENSE file or at
 # https://opensource.org/licenses/ISC
 #
 # SPDX-License-Identifier: ISC
-#
 
 import setuptools
 

tests/parse_all_test.py

@@ -1,11 +1,12 @@
+# coding: utf-8
+
 # Copyright (C) 2020  The SymbiFlow Authors.
 #
 # Use of this source code is governed by a ISC-style
 # license that can be found in the LICENSE file or at
 # https://opensource.org/licenses/ISC
 #
 # SPDX-License-Identifier: ISC
-#
 
 from sdf_timing import sdfparse
 import os