diff --git a/indica/readers/surf_los.dat b/indica/data/surf_los.dat
similarity index 100%
rename from indica/readers/surf_los.dat
rename to indica/data/surf_los.dat
diff --git a/indica/readers/ppfreader.py b/indica/readers/ppfreader.py
index 0f2a44a1..ccf563bf 100644
--- a/indica/readers/ppfreader.py
+++ b/indica/readers/ppfreader.py
@@ -33,7 +33,7 @@
 from ..utilities import to_filename
 
 
-SURF_PATH = Path(surf_los.__file__).parent / "surf_los.dat"
+SURF_PATH = Path(surf_los.__file__).parent.parent / "data/surf_los.dat"
 
 
 class PPFError(Exception):
diff --git a/tests/unit/readers/test_surf.py b/tests/unit/readers/test_surf.py
index e98810f4..0a7c6ba5 100644
--- a/tests/unit/readers/test_surf.py
+++ b/tests/unit/readers/test_surf.py
@@ -20,7 +20,7 @@
 
 import indica.readers.surf_los as surf_los
 
-filepath = Path(surf_los.__file__).parent / "surf_los.dat"
+filepath = Path(surf_los.__file__).parent.parent / "data/surf_los.dat"
 PIXEL = 0.00099
 
 
diff --git a/tests/unit/test_session.py b/tests/unit/test_session.py
index 67b3f0ab..ed5f3a09 100644
--- a/tests/unit/test_session.py
+++ b/tests/unit/test_session.py
@@ -70,6 +70,7 @@ def test_session_context_manager():
         assert session.global_session == new_session
     assert session.global_session == old_session
 
+
 def test_dependency_provenance():
     session = Session("rand.m.person@ukaea.uk")
     dependencies = list(