[eeprom] Fix eeprom.py (#2345)

Signed-off-by: Mykola Faryma <[email protected]>

Author: mykolaf

device/mellanox/x86_64-mlnx_msn2700-r0/plugins/eeprom.py

@@ -17,6 +17,7 @@
     import warnings
     import os
     import sys
+    import syslog
     from cStringIO import StringIO
     from sonic_eeprom import eeprom_base
     from sonic_eeprom import eeprom_tlvinfo
@@ -45,7 +46,7 @@ def __init__(self, name, path, cpld_root, ro):
             else:
                 break  
 
-        if not (os.path.islink(EEPROM_SYMLINK) or os.isfile(CACHE_FILE)):
+        if not (os.path.exists(EEPROM_SYMLINK) or os.path.isfile(CACHE_FILE)):
             log_error("Nowhere to read syseeprom from! No symlink or cache file found")
             raise RuntimeError("No syseeprom symlink or cache file found")