fix issue #147: not able to dump floats0.15.25

This happened when dumping without loading, e.g.:

  python -c "import ruamel.yaml, sys; ruamel.yaml.round_trip_dump([3.14])"

When this fix solves the problem, please close this issue

4 files changed, 8 insertions, 14 deletions

diff --git a/CHANGES b/CHANGES
index 0526742..ba3a3a4 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,14 +1,5 @@
-[0, 15, 24]: 2017-08-09
-  - added ScalarFloat which supports roundtripping of 23.1, 23.100,
-    42.00E+56, 0.0, -0.0 etc. while keeping the format. Underscores in mantissas
-    are not preserved/supported (yet, is anybody using that?).
-  - (finally) fixed longstanding issue 23 (reported by `Antony Sottile
-    <https://bitbucket.org/asottile/>`_), now handling comment between block
-    mapping key and value correctly
-  - warn on YAML 1.1 float input that is incorrect (triggered by invalid YAML
-    provided by Cecil Curry)
-  - allow setting of boolean representation (`false`, `true`) by using:
-    ``yaml.boolean_representation = [u'False', u'True']``
+[0, 15, 25]: 2017-08-09
+  - fix for problem with dumping (unloaded) floats (reported by eyenseo)
 
 [0, 15, 24]: 2017-08-09
   - added ScalarFloat which supports roundtripping of 23.1, 23.100,
diff --git a/README.rst b/README.rst
index bd61915..17e0b26 100644
--- a/README.rst
+++ b/README.rst
@@ -35,6 +35,9 @@ ChangeLog
 
 .. should insert NEXT: at the beginning of line for next key
 
+0.15.25 (2017-08-09):
+  - fix for problem with dumping (unloaded) floats (reported by eyenseo)
+
 0.15.24 (2017-08-09):
   - added ScalarFloat which supports roundtripping of 23.1, 23.100,
     42.00E+56, 0.0, -0.0 etc. while keeping the format. Underscores in mantissas
diff --git a/__init__.py b/__init__.py
index 7e45afe..a902392 100644
--- a/__init__.py
+++ b/__init__.py
@@ -7,8 +7,8 @@ if False:  # MYPY
 
 _package_data = dict(
     full_package_name='ruamel.yaml',
-    version_info=(0, 15, 24),
-    __version__='0.15.24',
+    version_info=(0, 15, 25),
+    __version__='0.15.25',
     author='Anthon van der Neut',
     author_email='a.van.der.neut@ruamel.eu',
     description='ruamel.yaml is a YAML parser/emitter that supports roundtrip preservation of comments, seq/map flow style, and map key order',  # NOQA
diff --git a/representer.py b/representer.py
index cd4ae49..03dcbf4 100644
--- a/representer.py
+++ b/representer.py
@@ -309,7 +309,7 @@ class SafeRepresenter(BaseRepresenter):
             value = u'-.inf'
         else:
             value = to_unicode(repr(data)).lower()
-            if self.dumper.version == (1, 1):  # type: ignore
+            if self.serializer.use_version == (1, 1):  # type: ignore
                 if u'.' not in value and u'e' in value:
                     # Note that in some cases `repr(data)` represents a float number
                     # without the decimal parts.  For instance: