Bump version

Chase Roberts · Chase Roberts · commit 3e71ae671263 · 2020-11-13T14:08:32.000-06:00
diff --git a/tensornetwork/version.py b/tensornetwork/version.py
@@ -12,4 +12,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-__version__ = '0.4.2'
+__version__ = '0.4.3'
