diff --git a/osc_ingest_trino/__init__.py b/osc_ingest_trino/__init__.py
index 667a7d8..c7ff8ef 100644
--- a/osc_ingest_trino/__init__.py
+++ b/osc_ingest_trino/__init__.py
@@ -7,9 +7,13 @@
 # defines the release version for this python package
 __version__ = "0.1.0"
 
+from .sqlcols import *
+from .sqltypes import *
+
 __all__ = [
     "sql_compliant_name",
     "enforce_sql_column_names",
     "pandas_type_to_sql",
     "create_table_schema_pairs",
 ]
+
diff --git a/osc_ingest_trino/sqlcols.py b/osc_ingest_trino/sqlcols.py
index 9efe111..aa5283d 100644
--- a/osc_ingest_trino/sqlcols.py
+++ b/osc_ingest_trino/sqlcols.py
@@ -1,6 +1,11 @@
 import re
 import pandas as pd
 
+__all__ = [
+    "sql_compliant_name",
+    "enforce_sql_column_names",
+]
+
 _wsdedup = re.compile(r"\s+")
 _usdedup = re.compile(r"__+")
 _rmpunc = re.compile(r"[,.()&$/+-]+")
@@ -36,6 +41,6 @@ def enforce_sql_column_names(df, inplace=False, maxlen=63):
     ocols = sql_compliant_name(icols, maxlen=maxlen)
     if (len(set(ocols)) < len(ocols)):
         raise ValueError("remapped column names were not unique!")
-    rename_map = dict(list(zip(icols, ocols))))
+    rename_map = dict(list(zip(icols, ocols)))
     return df.rename(columns=rename_map, inplace=inplace)
 
diff --git a/osc_ingest_trino/sqltypes.py b/osc_ingest_trino/sqltypes.py
index 5ed4bbb..1ace390 100644
--- a/osc_ingest_trino/sqltypes.py
+++ b/osc_ingest_trino/sqltypes.py
@@ -1,5 +1,10 @@
 import pandas as pd
 
+__all__ = [
+    "pandas_type_to_sql",
+    "create_table_schema_pairs",
+]
+
 _p2smap = {
     'string': 'varchar',
     'float32': 'real',