Pass tools/ through black

tools/gencert/dump_pem.py

@@ -1,27 +1,28 @@
 #!/usr/bin/env python
 #
 # Copyright (C) 2018 SoloKeys, Inc. <https://solokeys.com/>
-# 
+#
 # This file is part of Solo.
-# 
+#
 # Solo is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
 # the Free Software Foundation, either version 3 of the License, or
 # (at your option) any later version.
-# 
+#
 # Solo is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU General Public License
 # along with Solo.  If not, see <https://www.gnu.org/licenses/>
-# 
+#
 # This code is available under licenses for commercial use.
 # Please contact SoloKeys for more information.
 #
 from __future__ import print_function
-import sys,fileinput,binascii
+import sys, fileinput, binascii
+
 try:
     import ecdsa
 except:
@@ -45,7 +46,6 @@ cstr = ''
 it = iter(hstr)
 for d1 in it:
     d2 = next(it)
-    cstr += '\\x'+d1+d2
+    cstr += '\\x' + d1 + d2
 
 print('"%s"' % cstr)
-