🔍 Update index.rst (#486)

* Update index.rst

Fix link that points to a fork repo

* fix type comparison

Author: philippemiron

docs/index.rst

@@ -62,10 +62,10 @@ Reference
     :hidden:
     :caption: Reference
 
-    Contributing <https://github.com/kevinsantana11/clouddrift/blob/dev-tools/CONTRIBUTING.md>
+    Contributing <https://github.com/Cloud-Drift/clouddrift/blob/main/CONTRIBUTING.md>
     api
 
-.. _contributing: https://github.com/kevinsantana11/clouddrift/blob/dev-tools/CONTRIBUTING.md
+.. _contributing: https://github.com/Cloud-Drift/clouddrift/blob/main/CONTRIBUTING.md
 .. Indices and tables
 .. ==================
 

tests/signal_tests.py

@@ -24,7 +24,7 @@ def test_size(self):
     def test_imag(self):
         x = np.random.rand(99) + 1j * np.random.rand(99)
         z = analytic_signal(x)
-        self.assertTrue(type(z) == tuple)
+        self.assertTrue(type(z) is tuple)
 
     def test_real_odd(self):
         x = np.random.rand(99)