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-rw-r--r--wsgitools/filters.py2
1 files changed, 2 insertions, 0 deletions
diff --git a/wsgitools/filters.py b/wsgitools/filters.py
index 1c3fadc..e455cbe 100644
--- a/wsgitools/filters.py
+++ b/wsgitools/filters.py
@@ -238,6 +238,7 @@ class RequestLogWSGIFilter(BaseWSGIFilter):
"""
BaseWSGIFilter.__init__(self)
assert hasattr(log, "write")
+ assert hasattr(log, "flush") or not flush
self.log = log
self.flush = flush
self.remote = "?"
@@ -279,6 +280,7 @@ class RequestLogWSGIFilter(BaseWSGIFilter):
@type data: str
@rtype: str
"""
+ assert isinstance(data, str)
self.length += len(data)
return data
def handle_close(self):