Renamed exception.

packages/markitdown/src/markitdown/__init__.py

@@ -6,7 +6,7 @@ from .__about__ import __version__
 from ._markitdown import MarkItDown
 from ._exceptions import (
     MarkItDownException,
-    ConverterPrerequisiteException,
+    MissingOptionalDependencyException,
     FileConversionException,
     UnsupportedFormatException,
 )
@@ -18,7 +18,7 @@ __all__ = [
     "DocumentConverter",
     "DocumentConverterResult",
     "MarkItDownException",
-    "ConverterPrerequisiteException",
+    "MissingOptionalDependencyException",
     "FileConversionException",
     "UnsupportedFormatException",
 ]

packages/markitdown/src/markitdown/_exceptions.py

@@ -6,15 +6,16 @@ class MarkItDownException(BaseException):
     pass
 
 
-class ConverterPrerequisiteException(MarkItDownException):
+class MissingOptionalDependencyException(MarkItDownException):
     """
-    Thrown when instantiating a DocumentConverter in cases where
+    Converters shipped with MarkItDown may depend on optional
-    a required library or dependency is not installed, an API key
+    dependencies. This exception is thrown when a converter's
-    is not set, or some other prerequisite is not met.
+    convert() method is called, but the required dependency is not
+    installed. This is not necessarily a fatal error, as the converter
+    will simply be skipped (an error will bubble up only if no other
+    suitable converter is found).
 
-    This is not necessarily a fatal error. If thrown during
+    Error messages should clearly indicate which dependency is missing.
-    MarkItDown's plugin loading phase, the converter will simply be
-    skipped, and a warning will be issued.
     """
 
     pass