fix: PackageNameError type name fix [APE-1597] (#100)

ethpm_types/manifest.py

@@ -55,6 +55,7 @@ def validate_package_name(name: str) -> str:
     ),
     BeforeValidator(validate_package_name),
 ]
+PackageName.__name__ = "PackageName"
 
 
 class PackageMeta(BaseModel):
@@ -97,7 +98,7 @@ class PackageManifest(BaseModel):
     manifest: str = "ethpm/3"
     """The specification version that the project conforms to."""
 
-    name: Optional[PackageName] = None  # type: ignore [valid-type]
+    name: Optional[PackageName] = None  # type: ignore[valid-type]
     """A human-readable name for the package."""
 
     version: Optional[str] = None
@@ -145,7 +146,7 @@ class PackageManifest(BaseModel):
     must be unique across all other contract instances for the given chain.
     """
 
-    dependencies: Optional[Dict[PackageName, AnyUrl]] = Field(  # type: ignore [valid-type]
+    dependencies: Optional[Dict[PackageName, AnyUrl]] = Field(  # type: ignore[valid-type]
         None, alias="buildDependencies"
     )
     """

tests/test_package_manifest.py

@@ -9,7 +9,14 @@
 from pydantic import ValidationError
 
 from ethpm_types import ContractType
-from ethpm_types.manifest import ALPHABET, NUMBERS, PackageManifest, PackageMeta
+from ethpm_types.manifest import (
+    ALPHABET,
+    NUMBERS,
+    PackageManifest,
+    PackageMeta,
+    PackageName,
+    PackageNameError,
+)
 from ethpm_types.source import Compiler, Content, Source
 
 ETHPM_SPEC_REPO = github.Github(os.environ.get("GITHUB_ACCESS_TOKEN", None)).get_repo(
@@ -161,6 +168,17 @@ def test_unpack_sources():
         assert baz_expected.read_text() == str(baz_txt)
 
 
+def test_package_name_name():
+    assert PackageName.__name__ == "PackageName"
+
+
+def test_package_name_error_str():
+    error = PackageNameError(name="!!!", message="Oh no!")
+    assert str(error) == "Oh no!"
+    assert error.type == "PackageNameError"
+    assert error.context == {"name": "!!!"}
+
+
 def test_package_name_using_all_valid_characters():
     """
     Tests against a bug where we were unable to create a