[Update] 修改版本依赖

coco/sftp.py

@@ -160,7 +160,11 @@ class SFTPServer(paramiko.SFTPServerInterface):
             return attr
         else:
             sftp = self.get_host_sftp(host, su)
-            return sftp.stat(rpath)
+            try:
+                stat = sftp.stat(rpath)
+                return stat
+            except FileNotFoundError as e:
+                return paramiko.SFTPServer.convert_errno(e.errno)
 
     def lstat(self, path):
         host, su, rpath = self.parse_path(path)

requirements/requirements.txt

@@ -8,7 +8,7 @@ cffi==1.11.2
 chardet==3.0.4
 click==6.7
 crcmod==1.7
-cryptography==2.1.4
+cryptography==2.3.1
 docutils==0.14
 dotmap==1.2.20
 elasticsearch==6.1.1
@@ -40,5 +40,5 @@ six==1.11.0
 tornado==4.5.2
 urllib3==1.22
 wcwidth==0.1.7
-eventlet==0.22.1
+eventlet==0.24.1
 Werkzeug==0.14.1