spark imports (#157)

Make sure the experimental module is also exported in __all__ (might fix
duckdb/duckdb#17873)

Author: evertlammerts

duckdb/__init__.py

@@ -201,6 +201,9 @@
     Value,
 )
 
+# explicitly make the experimental module available
+from . import experimental
+
 __all__: list[str] = [
     "BinaryValue",
     "BinderException",
@@ -316,6 +319,7 @@
     "enum_type",
     "execute",
     "executemany",
+    "experimental",
     "extract_statements",
     "fetch_arrow_table",
     "fetch_df",

duckdb/experimental/__init__.py

@@ -1,3 +1,5 @@
 from . import spark  # noqa: D104
 
-__all__ = spark.__all__
+__all__ = [
+    "spark",
+]