diff options
Diffstat (limited to 'tools/pyboard.py')
| -rwxr-xr-x | tools/pyboard.py | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/tools/pyboard.py b/tools/pyboard.py index 7729022ce..86a07a151 100755 --- a/tools/pyboard.py +++ b/tools/pyboard.py @@ -86,6 +86,7 @@ class PyboardError(Exception): class TelnetToSerial: def __init__(self, ip, user, password, read_timeout=None): + self.tn = None import telnetlib self.tn = telnetlib.Telnet(ip, timeout=15) self.read_timeout = read_timeout @@ -109,11 +110,8 @@ class TelnetToSerial: self.close() def close(self): - try: + if self.tn: self.tn.close() - except: - # the telnet object might not exist yet, so ignore this one - pass def read(self, size=1): while len(self.fifo) < size: |