REF: run pyupgrade with Python 3.9+

pyproj/_crs.pyi

@@ -1,4 +1,5 @@
-from typing import Any, Iterable, List, NamedTuple, Optional, Tuple, Union
+from collections.abc import Iterable
+from typing import Any, NamedTuple, Optional, Union
 
 from pyproj.crs.enums import CoordinateOperationType
 from pyproj.enums import ProjVersion, WktVersion
@@ -23,7 +24,7 @@ class AreaOfUse:
     def __str__(self) -> str: ...
     def __repr__(self) -> str: ...
     @property
-    def bounds(self) -> Tuple[float, float, float, float]: ...
+    def bounds(self) -> tuple[float, float, float, float]: ...
 
 class Base:
     name: str
@@ -115,7 +116,7 @@ class CoordinateSystem(_CRSParts):
     def from_json_dict(coordinate_system_dict: dict) -> "CoordinateSystem": ...
     @staticmethod
     def from_json(coordinate_system_json_str: str) -> "CoordinateSystem": ...
-    def to_cf(self, rotated_pole: bool = False) -> List[dict]: ...
+    def to_cf(self, rotated_pole: bool = False) -> list[dict]: ...
 
 class Param:
     name: str
@@ -158,7 +159,7 @@ class CoordinateOperation(_CRSParts):
     @property
     def towgs84(self) -> Iterable[float]: ...
     @property
-    def operations(self) -> Tuple["CoordinateOperation"]: ...
+    def operations(self) -> tuple["CoordinateOperation"]: ...
     def __init__(self) -> None: ...
     def __repr__(self) -> str: ...
     @staticmethod
@@ -199,7 +200,7 @@ class _CRS(Base):
     @property
     def area_of_use(self) -> Optional[AreaOfUse]: ...
     @property
-    def axis_info(self) -> List[Axis]: ...
+    def axis_info(self) -> list[Axis]: ...
     @property
     def prime_meridian(self) -> Optional[PrimeMeridian]: ...
     @property
@@ -225,7 +226,7 @@ class _CRS(Base):
     ): ...
     def list_authority(
         self, auth_name: Optional[str] = None, min_confidence: int = 70
-    ) -> List[AuthorityMatchInfo]: ...
+    ) -> list[AuthorityMatchInfo]: ...
     def to_3d(self, name: Optional[str] = None) -> "_CRS": ...
     def to_2d(self, name: Optional[str] = None) -> "_CRS": ...
     @property

pyproj/_crs.pyx

@@ -706,7 +706,7 @@ cdef class CoordinateSystem(_CRSParts):
 
         Returns
         -------
-        List[dict]:
+        list[dict]:
             CF-1.8 version of the CoordinateSystem.
         """
         axis_list = self.to_json_dict()["axis"]
@@ -2155,7 +2155,7 @@ cdef class CoordinateOperation(_CRSParts):
         """
         Returns
         -------
-        List[Param]:
+        list[Param]:
             The coordinate operation parameters.
         """
         if self._params is not None:
@@ -2182,7 +2182,7 @@ cdef class CoordinateOperation(_CRSParts):
         """
         Returns
         -------
-        List[Grid]:
+        list[Grid]:
             The coordinate operation grids.
         """
         if self._grids is not None:
@@ -2243,7 +2243,7 @@ cdef class CoordinateOperation(_CRSParts):
         """
         Returns
         -------
-        List[float]:
+        list[float]:
             A list of 3 or 7 towgs84 values if they exist.
 
         """
@@ -2273,7 +2273,7 @@ cdef class CoordinateOperation(_CRSParts):
 
         Returns
         -------
-        Tuple[CoordinateOperation]:
+        tuple[CoordinateOperation]:
             The operations in a concatenated operation.
 
         """
@@ -2411,7 +2411,7 @@ cdef class _CRS(Base):
 
         Returns
         -------
-        List[Axis]:
+        list[Axis]:
             The list of axis information.
         """
         axis_info_list = []
@@ -2643,7 +2643,7 @@ cdef class _CRS(Base):
 
         Returns
         -------
-        List[_CRS]
+        list[_CRS]
         """
         if self._sub_crs_list is not None:
             return self._sub_crs_list
@@ -2856,7 +2856,7 @@ cdef class _CRS(Base):
 
         Returns
         -------
-        List[AuthorityMatchInfo]:
+        list[AuthorityMatchInfo]:
             List of authority matches for the CRS.
         """
         # get list of possible matching projections

pyproj/_geod.pyi

@@ -1,4 +1,4 @@
-from typing import Any, NamedTuple, Tuple, Type
+from typing import Any, NamedTuple
 
 geodesic_version_str: str
 
@@ -20,7 +20,7 @@ class Geod:
     def __init__(
         self, a: float, f: float, sphere: bool, b: float, es: float
     ) -> None: ...
-    def __reduce__(self) -> Tuple[Type["Geod"], str]: ...
+    def __reduce__(self) -> tuple[type["Geod"], str]: ...
     def __repr__(self) -> str: ...
     def _fwd(
         self,
@@ -39,7 +39,7 @@ class Geod:
         dist: float,
         radians: bool = False,
         return_back_azimuth: bool = True,
-    ) -> Tuple[float, float, float]: ...
+    ) -> tuple[float, float, float]: ...
     def _inv(
         self,
         lons1: Any,
@@ -57,7 +57,7 @@ class Geod:
         lats2: float,
         radians: bool = False,
         return_back_azimuth: bool = False,
-    ) -> Tuple[float, float, float]: ...
+    ) -> tuple[float, float, float]: ...
     def _inv_or_fwd_intermediate(
         self,
         lon1: float,
@@ -78,6 +78,6 @@ class Geod:
     def _line_length(self, lons: Any, lats: Any, radians: bool = False) -> float: ...
     def _polygon_area_perimeter(
         self, lons: Any, lats: Any, radians: bool = False
-    ) -> Tuple[float, float]: ...
+    ) -> tuple[float, float]: ...
 
 def reverse_azimuth(azi: Any, radians: bool = False) -> None: ...

pyproj/_transformer.pyi

@@ -1,12 +1,12 @@
 import numbers
 from array import array
-from typing import Any, List, NamedTuple, Optional, Tuple, Union
+from typing import Any, NamedTuple, Optional, Union
 
 from pyproj._crs import _CRS, AreaOfUse, Base, CoordinateOperation
 from pyproj.enums import ProjVersion, TransformDirection
 
 proj_version_str: str
-PROJ_VERSION: Tuple[int, int, int]
+PROJ_VERSION: tuple[int, int, int]
 
 class AreaOfInterest(NamedTuple):
     west_lon_degree: float
@@ -30,7 +30,7 @@ class Factors(NamedTuple):
 
 class _TransformerGroup:
     _transformers: Any
-    _unavailable_operations: List[CoordinateOperation]
+    _unavailable_operations: list[CoordinateOperation]
     _best_available: bool
     def __init__(
         self,
@@ -66,7 +66,7 @@ class _Transformer(Base):
     @property
     def target_crs(self) -> Optional[_CRS]: ...
     @property
-    def operations(self) -> Union[Tuple[CoordinateOperation], None]: ...
+    def operations(self) -> Union[tuple[CoordinateOperation], None]: ...
     def get_last_used_operation(self) -> _Transformer: ...
     @property
     def is_network_enabled(self) -> bool: ...
@@ -129,7 +129,7 @@ class _Transformer(Base):
         radians: bool = False,
         errcheck: bool = False,
         direction: Union[TransformDirection, str] = TransformDirection.FORWARD,
-    ) -> Tuple[float, float, float, float]: ...
+    ) -> tuple[float, float, float, float]: ...
     def _get_factors(
         self, longitude: Any, latitude: Any, radians: bool, errcheck: bool
     ) -> Factors: ...

pyproj/_transformer.pyx

@@ -77,29 +77,29 @@ See PROJ :c:type:`PJ_FACTORS` documentation.
 
 Parameters
 ----------
-meridional_scale: List[float]
+meridional_scale: list[float]
      Meridional scale at coordinate.
-parallel_scale: List[float]
+parallel_scale: list[float]
     Parallel scale at coordinate.
-areal_scale: List[float]
+areal_scale: list[float]
     Areal scale factor at coordinate.
-angular_distortion: List[float]
+angular_distortion: list[float]
     Angular distortion at coordinate.
-meridian_parallel_angle: List[float]
+meridian_parallel_angle: list[float]
     Meridian/parallel angle at coordinate.
-meridian_convergence: List[float]
+meridian_convergence: list[float]
     Meridian convergence at coordinate. Sometimes also described as *grid declination*.
-tissot_semimajor: List[float]
+tissot_semimajor: list[float]
     Maximum scale factor.
-tissot_semiminor: List[float]
+tissot_semiminor: list[float]
     Minimum scale factor.
-dx_dlam: List[float]
+dx_dlam: list[float]
     Partial derivative of coordinate.
-dx_dphi: List[float]
+dx_dphi: list[float]
     Partial derivative of coordinate.
-dy_dlam: List[float]
+dy_dlam: list[float]
     Partial derivative of coordinate.
-dy_dphi: List[float]
+dy_dphi: list[float]
     Partial derivative of coordinate.
 """
 
@@ -458,7 +458,7 @@ cdef class _Transformer(Base):
 
         Returns
         -------
-        Tuple[CoordinateOperation]:
+        tuple[CoordinateOperation]:
             The operations in a concatenated operation.
         """
         if self._operations is not None:

pyproj/aoi.py

@@ -2,7 +2,7 @@
 This module contains the structures related to areas of interest.
 """
 from dataclasses import dataclass
-from typing import NamedTuple, Optional, Tuple, Union
+from typing import NamedTuple, Optional, Union
 
 from pyproj.utils import is_null
 
@@ -56,13 +56,13 @@ class AreaOfUse(NamedTuple):
     name: Optional[str] = None
 
     @property
-    def bounds(self) -> Tuple[float, float, float, float]:
+    def bounds(self) -> tuple[float, float, float, float]:
         """
         The bounds of the area of use.
 
         Returns
         -------
-        Tuple[float, float, float, float]
+        tuple[float, float, float, float]
             west, south, east, and north bounds.
         """
         return self.west, self.south, self.east, self.north