diff --git a/src/mods4pandas/__init__.py b/src/mods4pandas/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/src/mods4pandas/tests/__init__.py b/src/mods4pandas/tests/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/src/mods4pandas/tests/test_alto.py b/src/mods4pandas/tests/test_alto.py
index 139a2db..96ff98c 100644
--- a/src/mods4pandas/tests/test_alto.py
+++ b/src/mods4pandas/tests/test_alto.py
@@ -4,8 +4,8 @@ from lxml import etree as ET
 import pandas as pd
 
 
-from mods4pandas.alto4pandas import alto_to_dict, process
-from mods4pandas.lib import flatten
+from ..alto4pandas import alto_to_dict, process
+from ..lib import flatten
 
 TESTS_DATA_DIR = Path(__file__).parent / "data"
 
diff --git a/src/mods4pandas/tests/test_mets.py b/src/mods4pandas/tests/test_mets.py
index ebe0b2a..b8db332 100644
--- a/src/mods4pandas/tests/test_mets.py
+++ b/src/mods4pandas/tests/test_mets.py
@@ -1,8 +1,8 @@
 from lxml import etree as ET
 
 
-from mods4pandas.mods4pandas import mets_to_dict
-from mods4pandas.lib import flatten
+from ..mods4pandas import mets_to_dict
+from ..lib import flatten
 
 
 def dict_fromstring(x):
diff --git a/src/mods4pandas/tests/test_mods4pandas.py b/src/mods4pandas/tests/test_mods4pandas.py
index 8814fbf..330369f 100644
--- a/src/mods4pandas/tests/test_mods4pandas.py
+++ b/src/mods4pandas/tests/test_mods4pandas.py
@@ -5,8 +5,8 @@ import pandas as pd
 import pytest
 
 
-from mods4pandas.mods4pandas import mods_to_dict, process
-from mods4pandas.lib import flatten
+from ..mods4pandas import mods_to_dict, process
+from ..lib import flatten
 
 TESTS_DATA_DIR = Path(__file__).parent / "data"
 
diff --git a/src/mods4pandas/tests/test_page_info.py b/src/mods4pandas/tests/test_page_info.py
index d753c77..5758aab 100644
--- a/src/mods4pandas/tests/test_page_info.py
+++ b/src/mods4pandas/tests/test_page_info.py
@@ -3,7 +3,7 @@ from pathlib import Path
 
 from lxml import etree as ET
 
-from mods4pandas.mods4pandas import pages_to_dict
+from ..mods4pandas import pages_to_dict
 
 
 TESTS_DATA_DIR = Path(__file__).parent / "data"