diff --git a/src/icartt/__init__.py b/src/icartt/__init__.py
index a96c250527acb44a5b52fc015368fe2d5b306c70..9edd2591e65fe79d51f29f69fbe2a4863b121ac7 100644
--- a/src/icartt/__init__.py
+++ b/src/icartt/__init__.py
@@ -1 +1,5 @@
-from .dataset import Dataset, StandardNormalComments, Variable, Formats, VariableType
\ No newline at end of file
+from .dataset import Dataset, StandardNormalComments, Variable, Formats, VariableType
+
+# TODO: add __version__ ?
+
+# TODO: add __all__ = ("names of exported classes etc.",) ?
\ No newline at end of file
diff --git a/tests/usage_examples/read_ffi1001.py b/tests/usage_examples/read_ffi1001.py
index f08e08e8ff537715df8c7ef9a20d4467a5bf124d..eeab1ba568c4cbf335ff500c12b5f588f3fd7ff2 100644
--- a/tests/usage_examples/read_ffi1001.py
+++ b/tests/usage_examples/read_ffi1001.py
@@ -10,6 +10,8 @@ ict.PIName
 ict.PIAffiliation
 ict.missionName
 ict.dataSourceDescription
+ict.dataID
+ict.locationID
 
 # list variable names
 [ x for x in ict.variables ]
@@ -25,4 +27,4 @@ ict.data['UTC']
 ict.data[:]
 
 # get the altitude in feet for those data where UTC < 86400.0:
-ict.data[ ict.data['UTC'] < 86400.0 ]['Alt_ft']
+ict.data[ ict.data['UTC'] < 86400.0 ]['Alt_ft']
\ No newline at end of file