diff --git a/cdsapi/api.py b/cdsapi/api.py
index d136335..051186d 100644
--- a/cdsapi/api.py
+++ b/cdsapi/api.py
@@ -22,7 +22,6 @@
 except ImportError:
     from urlparse import urljoin
 
-from datapi.legacy_api_client import LegacyApiClient
 from tqdm import tqdm
 
 
@@ -283,7 +282,9 @@ def __new__(cls, url=None, key=None, *args, **kwargs):
         if ":" in token:
             return super().__new__(cls)
 
-        return super().__new__(LegacyApiClient)
+        import datapi.legacy_api_client
+
+        return super().__new__(datapi.legacy_api_client.LegacyApiClient)
 
     def __init__(
         self,
diff --git a/setup.py b/setup.py
index 6f347a3..88c8d10 100644
--- a/setup.py
+++ b/setup.py
@@ -46,7 +46,7 @@ def read(fname):
     include_package_data=True,
     python_requires=">=3.8",
     install_requires=[
-        # "datapi",  
+        # "datapi",
         "requests>=2.5.0",
         "tqdm",
     ],