Correct some user-facing types

Author: schneiderfelipe

overreact/api.py

@@ -8,7 +8,7 @@
 """
 
 
-from __future__ import annotations
+from typing import Union
 
 __all__ = [
     "get_k",
@@ -258,7 +258,7 @@ def get_entropies(
     return np.array(entropies)
 
 
-def _check_qrrho(qrrho: bool | tuple[bool, bool]) -> tuple[bool, bool]:
+def _check_qrrho(qrrho: Union[bool, tuple[bool, bool]]) -> tuple[bool, bool]:
     """Get options for QRRHO for both enthalpy and entropy.
 
     Parameters
@@ -306,7 +306,7 @@ def get_freeenergies(
     bias: float = 0.0,
     environment: Optional[Text] = None,
     method: Text = "standard",
-    qrrho: bool | tuple[bool, bool] = True,
+    qrrho: Union[bool, tuple[bool, bool]] = True,
     temperature: float = 298.15,
     pressure: float = constants.atm,
 ):
@@ -399,7 +399,7 @@ def get_k(
     compounds: Optional[dict] = None,
     bias: float = 0.0,
     tunneling: Text = "eckart",
-    qrrho: bool | tuple[bool, bool] = True,
+    qrrho: Union[bool, tuple[bool, bool]] = True,
     scale: Text = "l mol-1 s-1",
     temperature: float = 298.15,
     pressure: float = constants.atm,

overreact/core.py

@@ -3,14 +3,12 @@
 """Module dedicated to parsing and modeling of chemical reaction networks."""
 
 
-from __future__ import annotations
-
 __all__ = ["Scheme", "parse_reactions"]
 
 
 import itertools
 import re
-from typing import NamedTuple, Sequence, Text
+from typing import NamedTuple, Sequence, Text, Union
 
 import numpy as np
 
@@ -52,7 +50,7 @@ class Scheme(NamedTuple):
 }
 
 
-def _check_scheme(scheme_or_text: Scheme | Text) -> Scheme:
+def _check_scheme(scheme_or_text: Union[Scheme, Text]) -> Scheme:
     """Interface transparently between strings and schemes.
 
     Parameters
@@ -400,7 +398,7 @@ def is_transition_state(name):
     return False
 
 
-def parse_reactions(text: Text | Sequence[Text]) -> Scheme:
+def parse_reactions(text: Union[Text, Sequence[Text]]) -> Scheme:
     """
     Parse a kinetic model as a chemical reaction scheme.
 

overreact/rates.py

@@ -5,7 +5,7 @@
 
 from __future__ import annotations
 
-from typing import Optional
+from typing import Optional, Union
 
 __all__ = ["eyring"]
 
@@ -281,9 +281,9 @@ def convert_rate_constant(
 
 
 def eyring(
-    delta_freeenergy: float | np.ndarray,
+    delta_freeenergy: Union[float, np.ndarray],
     molecularity: Optional[int] = None,
-    temperature: float | np.ndarray = 298.15,
+    temperature: Union[float, np.ndarray] = 298.15,
     pressure: float = constants.atm,
     volume: Optional[float] = None,
 ):

overreact/thermo/__init__.py

@@ -9,7 +9,7 @@
 
 
 import logging
-from typing import Optional
+from typing import Optional, Union
 
 import numpy as np
 from scipy.misc import derivative
@@ -604,9 +604,9 @@ def get_delta(transform, property):
 
 
 def equilibrium_constant(
-    delta_freeenergy: float | np.ndarray,
-    delta_moles: Optional[int | np.ndarray] = None,
-    temperature: float | np.ndarray = 298.15,
+    delta_freeenergy: Union[float, np.ndarray],
+    delta_moles: Optional[Union[int, np.ndarray]] = None,
+    temperature: Union[float, np.ndarray] = 298.15,
     pressure: float = constants.atm,
     volume: Optional[float] = None,
 ):
@@ -751,7 +751,7 @@ def change_reference_state(
     new_reference: float = 1.0 / constants.liter,
     old_reference: Optional[float] = None,
     sign: int = 1,
-    temperature: float | np.ndarray = 298.15,
+    temperature: Union[float, np.ndarray] = 298.15,
     pressure: float = constants.atm,
     volume: Optional[float] = None,
 ):

overreact/tunnel.py

@@ -9,7 +9,7 @@
 
 
 import logging
-from typing import Optional
+from typing import Optional, Union
 
 import numpy as np
 from scipy.integrate import fixed_quad
@@ -53,7 +53,7 @@ def _check_nu(vibfreq: float) -> float:
     return np.abs(vibfreq) * constants.c / constants.centi
 
 
-def wigner(vibfreq: float, temperature: float | np.ndarray = 298.15) -> float:
+def wigner(vibfreq: float, temperature: Union[float, np.ndarray] = 298.15) -> float:
     """Calculate the Wigner correction to quantum tunneling.
 
     Parameters
@@ -100,8 +100,8 @@ def eckart(
     vibfreq: float,
     delta_forward: float,
     delta_backward: Optional[float] = None,
-    temperature: float | np.ndarray = 298.15,
-) -> float:
+    temperature: Union[float, np.ndarray] = 298.15,
+) -> Union[float, np.ndarray]:
     """Calculate the Eckart correction to quantum tunneling.
 
     References are