Update PyScaffold requirement

CHANGELOG.rst

@@ -9,6 +9,7 @@ Changelog
 * remove not implemented argument `show_url` of `dump_cassandra_data()`
 * write tests that are independent of access to the IBPT network
 * move directory structure to new one (cassandra->src/cassandra) to complete `PyScaffold` structure
+* Upgrade PyScaffold to be compatible with new setuptools versions
 
 0.7.1 (2017-10-31)
 ------------------

setup.py

@@ -23,7 +23,7 @@ entry_points = """
 def setup_package():
     needs_sphinx = {'build_sphinx', 'upload_docs'}.intersection(sys.argv)
     sphinx = ['sphinx'] if needs_sphinx else []
-    setup(setup_requires=['pyscaffold>=3.0a0,<3.1a0'] + sphinx,
+    setup(setup_requires=['pyscaffold>=3.0.2a0,<3.1a0'] + sphinx,
           entry_points=entry_points,
           use_pyscaffold=True)
 

src/cassandra/css_read.py

@@ -86,8 +86,7 @@ def _css_time(timestamp):
         timestamp = timestamp.decode("utf-8")
     except AttributeError:
         pass
-    return datetime.fromtimestamp(
-        int(CassandraHelper.cassandra_time(timestamp[:-10])[:-9]))
+    return datetime.fromtimestamp(int(CassandraHelper.cassandra_time(timestamp[:-10])[:-9]))
 
 
 def load_css_data(filename, system="np", dropna=True):
@@ -142,7 +141,7 @@ def load_css_data(filename, system="np", dropna=True):
             skiprows=skip_lines,
             names=header,
             index_col=0,
-            dtype=dtype,
+            # dtype=dtype,
             converters=convs,
             keep_default_na=True,
             # na_values="#N/A",