Changelog update

Author: AntSimi

CHANGELOG.rst

@@ -3,11 +3,14 @@ Changelog
 
 All notable changes to this project will be documented in this file.
 
-The format is based on [Keep a Changelog](https://keepachangelog.com/en),
-and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+The format is based on `Keep a Changelog <https://keepachangelog.com/en>`_
+and this project adheres to `Semantic Versioning <https://semver.org/spec/v2.0.0.html>`_.
 
 [Unreleased]
 ------------
+
+[3.3.0] - 2020-12-03
+--------------------
 Added
 ^^^^^
 - Add an implementation of visvalingam algorithm to simplify polygons with low modification

src/py_eddy_tracker/observations/tracking.py

@@ -566,7 +566,6 @@ def close_tracks(self, other, nb_obs_min=10, **kwargs):
         tr, nb = unique(other.track[indexs], return_counts=True)
         return other.extract_ids(tr[nb >= nb_obs_min])
 
-
     def format_label(self, label):
         t0, t1 = self.period
         return label.format(