Switch header to one line

sbws/lib/v3bwfile.py

@@ -30,6 +30,6 @@ class V3BwHeader(object):
 
     def __str__(self):
         """Return header string following spec version 1.1.0."""
-        frmt = '{timestamp}\nversion={version}\nsoftware={software}\n' \
+        frmt = '{timestamp} version={version} software={software} ' \
                'software_version={software_version}\n'
         return frmt.format(**self.__dict__)

tests/core/test_generate.py

@@ -7,7 +7,7 @@ import logging
 
 log = logging.getLogger(__name__)
 
-NUM_LINES_HEADER = 4
+NUM_LINES_HEADER = 1
 
 
 def test_generate_no_dotsbws(tmpdir, caplog, parser):

tests/lib/test_v3bwfile.py

@@ -7,7 +7,7 @@ def test_v3bwheader_str():
     """Test header str"""
     timestamp = 1524661857
     header = V3BwHeader(timestamp)
-    assert str(header) == '{}\nversion=1.1.0\nsoftware=sbws\n' \
+    assert str(header) == '{} version=1.1.0 software=sbws ' \
                           'software_version=0.1.0\n'.format(timestamp)