fix code formating, import State ABC and all the states exceptions in…

…to the states namespace, bump up the version

setup.py

@@ -8,7 +8,7 @@
 
 setup(
     name="pyvalem",
-    version="2.5.0",
+    version="2.5.1",
     description="A package for managing simple chemical species and states",
     long_description=long_description,
     long_description_content_type="text/x-rst",

src/pyvalem/states/__init__.py

@@ -1,9 +1,14 @@
-from .atomic_configuration import AtomicConfiguration
-from .diatomic_molecular_configuration import DiatomicMolecularConfiguration
-from .atomic_term_symbol import AtomicTermSymbol
-from .molecular_term_symbol import MolecularTermSymbol
+# import all the State classes and exceptions into the states namespace:
+from ._base_state import State, StateParseError
+from .atomic_configuration import AtomicConfiguration, AtomicConfigurationError
+from .diatomic_molecular_configuration import (
+    DiatomicMolecularConfiguration,
+    DiatomicMolecularConfigurationError,
+)
+from .atomic_term_symbol import AtomicTermSymbol, AtomicTermSymbolError
+from .molecular_term_symbol import MolecularTermSymbol, MolecularTermSymbolError
 from .racah_symbol import RacahSymbol
-from .rotational_state import RotationalState
-from .vibrational_state import VibrationalState
-from .generic_excited_state import GenericExcitedState
-from .key_value_pair import KeyValuePair
+from .rotational_state import RotationalState, RotationalStateError
+from .vibrational_state import VibrationalState, VibrationalStateError
+from .generic_excited_state import GenericExcitedState, GenericExcitedStateError
+from .key_value_pair import KeyValuePair, KeyValuePairError

src/pyvalem/states/molecular_term_symbol.py

@@ -151,8 +151,13 @@
     "GAMMAu": "Γu",
 }
 
-latex_terms = {"Σ": r"\Sigma", "Π": r"\Pi", "Δ": r"\Delta", "Φ": r"\Phi",
-               "Γ": r"\Gamma"}
+latex_terms = {
+    "Σ": r"\Sigma",
+    "Π": r"\Pi",
+    "Δ": r"\Delta",
+    "Φ": r"\Phi",
+    "Γ": r"\Gamma",
+}
 
 integer = pp.Word(pp.nums)
 molecule_Smult = integer.setResultsName("Smult")