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-rw-r--r--dns/resolver.py4
1 files changed, 2 insertions, 2 deletions
diff --git a/dns/resolver.py b/dns/resolver.py
index 08e9e61..108dd52 100644
--- a/dns/resolver.py
+++ b/dns/resolver.py
@@ -807,7 +807,7 @@ class BaseResolver:
f = stack.enter_context(open(f))
except OSError:
# /etc/resolv.conf doesn't exist, can't be read, etc.
- raise NoResolverConfiguration
+ raise NoResolverConfiguration(f'cannot open {f}')
for l in f:
if len(l) == 0 or l[0] == '#' or l[0] == ';':
@@ -848,7 +848,7 @@ class BaseResolver:
except (ValueError, IndexError):
pass
if len(self.nameservers) == 0:
- raise NoResolverConfiguration
+ raise NoResolverConfiguration('no nameservers')
def _determine_split_char(self, entry):
#