Issue #460/#259/#453/#458 test requirement pyproj>=3.2.0

setup.py

@@ -27,7 +27,7 @@
     "geopandas",
     "flake8>=5.0.0",
     "time_machine",
-    "pyproj",  # Pyproj is an optional, best-effort runtime dependency # TODO #460 set a high enough minimum version when py3.6 support can be dropped
+    "pyproj>=3.2.0",  # Pyproj is an optional, best-effort runtime dependency
 ]
 
 docs_require = [

tests/rest/datacube/test_datacube100.py

@@ -192,8 +192,8 @@ def _get_normalizable_crs_inputs():
     yield "EPSG:32631"
     yield 32631
     if pyproj.__version__ >= ComparableVersion("3.3.1"):
+        # TODO drop this skip once support for python 3.7 is dropped (pyproj 3.3.0 requires at least python 3.8)
         # pyproj below 3.3.1 does not support int-like strings
-        # TODO #460 this skip is only necessary for python 3.6 and lower
         yield "32631"
     yield "+proj=utm +zone=31 +datum=WGS84 +units=m +no_defs"  # is also EPSG:32631, in proj format
     if pyproj.__version__ >= ComparableVersion("3.1.0"):

tests/test_util.py

@@ -898,7 +898,7 @@ class TestNormalizeCrs:
     def test_normalize_crs_succeeds_with_correct_crses(self, epsg_input, expected):
         """Happy path, values that are allowed"""
         if isinstance(epsg_input, str) and epsg_input.isnumeric() and pyproj.__version__ < ComparableVersion("3.3.1"):
-            # TODO #460 this skip is only necessary for python 3.6 and lower
+            # TODO drop this skip once support for python 3.7 is dropped (pyproj 3.3.0 requires at least python 3.8)
             pytest.skip("pyproj below 3.3.1 does not support int-like strings")
 
         assert normalize_crs(epsg_input) == expected
@@ -936,11 +936,6 @@ def test_normalize_crs_without_pyproj_accept_non_epsg_string(self, caplog):
             in caplog.text
         )
 
-    @pytest.mark.skipif(
-        # TODO #460 this skip is only necessary for python 3.6 and lower
-        pyproj.__version__ < ComparableVersion("3.1.0"),
-        reason="WKT2 format support requires pyproj 3.1.0 or higher",
-    )
     def test_normalize_crs_succeeds_with_wkt2_input(self):
         """Test can handle WKT2 strings.
 
@@ -1022,7 +1017,7 @@ def test_normalize_crs_without_pyproj_succeeds_with_wkt2_input(self):
     }
 
     @pytest.mark.skipif(
-        # TODO #460 this skip is only necessary for python 3.6 and lower
+        # TODO drop this skip once support for python 3.7 is dropped (pyproj 3.3.0 requires at least python 3.8)
         pyproj.__version__ < ComparableVersion("3.3.0"),
         reason="PROJJSON format support requires pyproj 3.3.0 or higher",
     )