Remove unnecessary string concatenation.

6 files changed, 7 insertions, 11 deletions

diff --git a/dns/asyncbackend.py b/dns/asyncbackend.py
index e889ce7..b6d3211 100644
--- a/dns/asyncbackend.py
+++ b/dns/asyncbackend.py
@@ -69,9 +69,7 @@ def sniff() -> str:
         try:
             return sniffio.current_async_library()
         except sniffio.AsyncLibraryNotFoundError:
-            raise AsyncLibraryNotFoundError(
-                "sniffio cannot determine " + "async library"
-            )
+            raise AsyncLibraryNotFoundError("sniffio cannot determine async library")
     except ImportError:
         import asyncio
 
diff --git a/dns/dnssec.py b/dns/dnssec.py
index c219965..0c19ee8 100644
--- a/dns/dnssec.py
+++ b/dns/dnssec.py
@@ -1444,7 +1444,7 @@ def _sign_zone_nsec(
 
 def _need_pyca(*args, **kwargs):
     raise ImportError(
-        "DNSSEC validation requires " + "python cryptography"
+        "DNSSEC validation requires python cryptography"
     )  # pragma: no cover
 
 
diff --git a/dns/query.py b/dns/query.py
index c4bd75e..1a1b566 100644
--- a/dns/query.py
+++ b/dns/query.py
@@ -317,7 +317,7 @@ def _destination_and_source(
             # We know the destination af, so source had better agree!
             if saf != af:
                 raise ValueError(
-                    "different address families for source " + "and destination"
+                    "different address families for source and destination"
                 )
         else:
             # We didn't know the destination af, but we know the source,
diff --git a/dns/resolver.py b/dns/resolver.py
index 5788c95..c28c137 100644
--- a/dns/resolver.py
+++ b/dns/resolver.py
@@ -187,7 +187,7 @@ Timeout = LifetimeTimeout
 class NoAnswer(dns.exception.DNSException):
     """The DNS response does not contain an answer to the question."""
 
-    fmt = "The DNS response does not contain an answer " + "to the question: {query}"
+    fmt = "The DNS response does not contain an answer to the question: {query}"
     supp_kwargs = {"response"}
 
     # We do this as otherwise mypy complains about unexpected keyword argument
diff --git a/dns/transaction.py b/dns/transaction.py
index 91ed732..37aa37a 100644
--- a/dns/transaction.py
+++ b/dns/transaction.py
@@ -437,7 +437,7 @@ class Transaction:
                 rdataset = rrset.to_rdataset()
             else:
                 raise TypeError(
-                    f"{method} requires a name or RRset " + "as the first argument"
+                    f"{method} requires a name or RRset as the first argument"
                 )
             if rdataset.rdclass != self.manager.get_class():
                 raise ValueError(f"{method} has objects of wrong RdataClass")
@@ -496,7 +496,7 @@ class Transaction:
                 name = rdataset.name
             else:
                 raise TypeError(
-                    f"{method} requires a name or RRset " + "as the first argument"
+                    f"{method} requires a name or RRset as the first argument"
                 )
             self._raise_if_not_empty(method, args)
             if rdataset:
diff --git a/dns/tsig.py b/dns/tsig.py
index 2476fdf..ca3be59 100644
--- a/dns/tsig.py
+++ b/dns/tsig.py
@@ -187,9 +187,7 @@ class HMACTSig:
         try:
             hashinfo = self._hashes[algorithm]
         except KeyError:
-            raise NotImplementedError(
-                f"TSIG algorithm {algorithm} " + "is not supported"
-            )
+            raise NotImplementedError(f"TSIG algorithm {algorithm} is not supported")
 
         # create the HMAC context
         if isinstance(hashinfo, tuple):