fix boto3 socket error (#422)

closes #416

development.txt

@@ -25,3 +25,4 @@ tornado>=6.0.4
 tox>=3.14.5
 twine>=1.15.0
 urllib3>=1.25.8
+boto3>=1.17.72

httpretty/core.py

@@ -376,7 +376,6 @@ def getvalue(self):
 
     def close(self):
         self.socket.close()
-        self.file.close()
 
     def fileno(self):
         return self._fileno

tests/functional/bugfixes/test_416_boto3.py

@@ -0,0 +1,32 @@
+import httpretty
+import boto3
+from botocore.exceptions import ClientError
+
+from sure import expect
+
+
+@httpretty.activate(allow_net_connect=False, verbose=True)
+def test_boto3():
+    httpretty.register_uri(
+        httpretty.PUT,
+        "https://foo-bucket.s3.amazonaws.com/foo-object",
+        body="""<?xml version="1.0" encoding="UTF-8"?>
+    <Error>
+        <Code>AccessDenied</Code>
+        <Message>Access Denied</Message>
+        <RequestId>foo</RequestId>
+        <HostId>foo</HostId>
+    </Error>""",
+        status=403
+    )
+
+    session = boto3.Session(aws_access_key_id="foo", aws_secret_access_key="foo")
+    s3_client = session.client('s3')
+
+    put_object = expect(s3_client.put_object).when.called_with(
+        Bucket="foo-bucket",
+        Key="foo-object",
+        Body=b"foo"
+    )
+
+    put_object.should.have.raised(ClientError, 'Access Denied')