Locking h3 version on supported 3.6.1 to 3.7.7 (#42)

* Locking h3 version on supported 3.6.1 to 3.7.7

* Fix test

placekey/tests/test_api.py

@@ -99,7 +99,7 @@ def test_lookup_placekeys(self):
         self.assertListEqual(
             self.pk_api.lookup_placekeys(places),
             [
-                {'query_id': 'place_0', 'placekey': '0rsdbudq45@5vg-7gq-5mk'},
+                {'query_id': 'place_0', 'placekey': '22g@5vg-7gq-5mk'},
                 {'query_id': 'thisqueryidaloneiscustom', 'placekey': '227-223@5vg-82n-pgk'},
                 {'query_id': 'place_2', 'placekey': '@5vg-82n-kzz'}
             ]

setup.py

@@ -28,7 +28,7 @@ def get_version():
     long_description_content_type="text/markdown",
     url="https://github.com/Placekey/placekey-py",
     packages=setuptools.find_packages(),
-    install_requires=['h3', 'shapely', 'requests', 'ratelimit', 'backoff'],
+    install_requires=['h3>=3.6.1,<4', 'shapely', 'requests', 'ratelimit', 'backoff'],
     classifiers=[
         "Programming Language :: Python :: 3",
         "License :: OSI Approved :: Apache Software License",