diff --git a/fin_depo/__init__.py b/fin_depo/__init__.py
index d22a4b1..16a1b8c 100644
--- a/fin_depo/__init__.py
+++ b/fin_depo/__init__.py
@@ -37,7 +37,14 @@ __all__ = [
     'defi_partisia_blockchain',
     'investbank_nordnet',
     '__version__',
+    'data',
 ]
 
-from . import defi_kraken, defi_kucoin, defi_partisia_blockchain, investbank_nordnet
+from . import (
+    data,
+    defi_kraken,
+    defi_kucoin,
+    defi_partisia_blockchain,
+    investbank_nordnet,
+)
 from ._version import __version__
diff --git a/test/test_kraken.py b/test/test_kraken.py
index 62a7fc1..a472b7d 100644
--- a/test/test_kraken.py
+++ b/test/test_kraken.py
@@ -1,7 +1,7 @@
 import pytest
 import requests
 
-from fin_depo import defi_kraken
+import fin_depo
 
 from . import secrets
 
@@ -14,10 +14,10 @@ needs_secrets = pytest.mark.skipif(
 @needs_secrets
 def test_get_depo():
     session = requests.Session()
-    fetcher = defi_kraken.KrakenDepoFetcher(
+    fetcher = fin_depo.defi_kraken.KrakenDepoFetcher(
         secrets.KRAKEN_KEY,
         secrets.KRAKEN_SECRET,
     )
 
     depo = fetcher.get_depo()
-    assert depo is not None
+    assert isinstance(depo, fin_depo.data.DepoSingle)
diff --git a/test/test_kucoin.py b/test/test_kucoin.py
index cf178e1..6d60d89 100644
--- a/test/test_kucoin.py
+++ b/test/test_kucoin.py
@@ -3,7 +3,7 @@ from decimal import Decimal
 import fin_defs
 import pytest
 
-from fin_depo import defi_kucoin
+import fin_depo
 
 from . import secrets
 
@@ -14,26 +14,29 @@ needs_secrets = pytest.mark.skipif(
     reason='Secret kucoin_USERNAME required',
 )
 
-defi_kucoin.logger.setLevel('INFO')
+fin_depo.defi_kucoin.logger.setLevel('INFO')
 
 
 @needs_secrets
 def test_get_depo():
     """Can inspect kucoin depository."""
-    fetcher = defi_kucoin.KucoinDepoFetcher(
+    fetcher = fin_depo.defi_kucoin.KucoinDepoFetcher(
         secrets.KUCOIN_KEY,
         secrets.KUCOIN_SECRET,
         secrets.KUCOIN_PASS,
     )
 
     depo = fetcher.get_depo()
-    assert depo is not None
+
+    assert isinstance(depo, fin_depo.data.DepoGroup)
+    for nested_depo in depo.nested:
+        assert isinstance(nested_depo, fin_depo.data.DepoSingle)
 
 
 @needs_secrets
 def test_place_market_order_requires_allow_trades():
     """Client fails if allow_trades is not enabled when doing market orders."""
-    fetcher = defi_kucoin.KucoinDepoFetcher(
+    fetcher = fin_depo.defi_kucoin.KucoinDepoFetcher(
         secrets.KUCOIN_KEY,
         secrets.KUCOIN_SECRET,
         secrets.KUCOIN_PASS,
@@ -49,7 +52,7 @@ def test_place_market_order_requires_allow_trades():
 @needs_secrets
 def test_place_buy_side_order():
     """Client can place buy side market orders."""
-    fetcher = defi_kucoin.KucoinDepoFetcher(
+    fetcher = fin_depo.defi_kucoin.KucoinDepoFetcher(
         secrets.KUCOIN_KEY,
         secrets.KUCOIN_SECRET,
         secrets.KUCOIN_PASS,
@@ -83,7 +86,7 @@ def test_place_buy_side_order():
 @needs_secrets
 def test_place_sell_side_order():
     """Client can place sell side market orders."""
-    fetcher = defi_kucoin.KucoinDepoFetcher(
+    fetcher = fin_depo.defi_kucoin.KucoinDepoFetcher(
         secrets.KUCOIN_KEY,
         secrets.KUCOIN_SECRET,
         secrets.KUCOIN_PASS,
diff --git a/test/test_nordnet.py b/test/test_nordnet.py
index 2eca71c..f3da8d3 100644
--- a/test/test_nordnet.py
+++ b/test/test_nordnet.py
@@ -1,7 +1,7 @@
 import pytest
 import requests
 
-from fin_depo import data, investbank_nordnet
+import fin_depo
 
 from . import secrets
 
@@ -11,7 +11,7 @@ needs_secrets = pytest.mark.skipif(
 )
 
 
-def print_pretty(depo: data.Depo):
+def print_pretty(depo: fin_depo.data.Depo):
     for asset in depo.assets():
         amount = depo.get_amount_of_asset(asset)
         print(f'{str(asset):15} : {amount:10}')
@@ -21,7 +21,7 @@ def print_pretty(depo: data.Depo):
 @needs_secrets
 def test_get_depo():
     session = requests.Session()
-    fetcher = investbank_nordnet.NordnetDepoFetcher(
+    fetcher = fin_depo.investbank_nordnet.NordnetDepoFetcher(
         session,
         secrets.NORDNET_USERNAME,
         secrets.NORDNET_PASSWORD,
@@ -29,4 +29,4 @@ def test_get_depo():
 
     depo = fetcher.get_depo()
     print_pretty(depo)
-    assert depo is not None
+    assert isinstance(depo, fin_depo.data.DepoGroup)
diff --git a/test/test_partisia_blockchain.py b/test/test_partisia_blockchain.py
index eaedd6c..e14a4c2 100644
--- a/test/test_partisia_blockchain.py
+++ b/test/test_partisia_blockchain.py
@@ -1,22 +1,28 @@
 import fin_defs
 import requests
 
-from fin_depo import defi_partisia_blockchain
+import fin_depo
 
 
 def test_get_depo():
     session = requests.Session()
-    fetcher = defi_partisia_blockchain.PartisiaBlockchainAccountDepoFetcher(
+    fetcher = fin_depo.defi_partisia_blockchain.PartisiaBlockchainAccountDepoFetcher(
         session,
         '00f3a778fbcf663e4f0d47b41aa4ec51e0f9d39d60',
     )
 
     depo = fetcher.get_depo()
-    assert depo is not None
+
+    # Check layout
+    assert isinstance(depo, fin_depo.data.DepoGroup)
     assert depo.name == 'Partisia Blockchain'
     assert depo.updated_time is not None
+
+    assert isinstance(depo.nested[0], fin_depo.data.DepoSingle)
     assert depo.nested[0].name == 'Native'
     assert depo.nested[0].updated_time == depo.updated_time
+
+    assert isinstance(depo.nested[0], fin_depo.data.DepoSingle)
     assert depo.nested[1].name == 'Bring Your Own Coin'
     assert depo.nested[1].updated_time == depo.updated_time