Add comments in import sections to explain lazy imports

mapbox · Apr 5, 2017 · d283dfe · d283dfe
1 parent 44b21ef
commit d283dfe
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diff --git a/mapbox/services/base.py b/mapbox/services/base.py
@@ -7,6 +7,9 @@
 from .. import __version__
 from mapbox import errors
 
+# cachecontrol is imported lazily below.
+# requests is imported lazily below.
+
 
 def Session(access_token=None, env=os.environ):
     """Returns an HTTP session.

diff --git a/mapbox/services/uploads.py b/mapbox/services/uploads.py
@@ -1,12 +1,12 @@
 import os.path
 
-# from boto3.session import Session as boto3_session
 from uritemplate import URITemplate
 
 from mapbox.errors import InvalidFileError
 from mapbox.services.base import Service
 
 
+# A placeholder for boto3.session.Session, which we load lazily.
 boto3_session = None