[pre-commit.ci] pre-commit autoupdate (#361)

* [pre-commit.ci] pre-commit autoupdate

updates:
- [github.com/pre-commit/pre-commit-hooks: v4.2.0 → v4.3.0](pre-commit/pre-commit-hooks@v4.2.0...v4.3.0)
- [github.com/asottile/pyupgrade: v2.33.0 → v2.34.0](asottile/pyupgrade@v2.33.0...v2.34.0)

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

.pre-commit-config.yaml

@@ -1,6 +1,6 @@
 repos:
   - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v4.2.0
+    rev: v4.3.0
     hooks:
       - id: no-commit-to-branch
         args: [--branch, main]
@@ -13,7 +13,7 @@ repos:
     hooks:
       - id: black
   - repo: https://github.com/asottile/pyupgrade
-    rev: v2.33.0
+    rev: v2.34.0
     hooks:
       - id: pyupgrade
         args: [ --py36-plus ]

src/instruments/abstract_instruments/comm/file_communicator.py

@@ -116,7 +116,7 @@ def read_raw(self, size=-1):
         if size >= 0:
             return self._filelike.read(size)
         elif size == -1:
-            result = bytes()
+            result = b""
             c = b""
             while c != self._terminator.encode("utf-8"):
                 c = self._filelike.read(1)

src/instruments/abstract_instruments/comm/loopback_communicator.py

@@ -104,7 +104,7 @@ def read_raw(self, size=-1):
         """
         if self._stdin is not None:
             if size == -1 or size is None:
-                result = bytes()
+                result = b""
                 if self._terminator:
                     while result.endswith(self._terminator.encode("utf-8")) is False:
                         c = self._stdin.read(1)

src/instruments/abstract_instruments/comm/serial_communicator.py

@@ -112,7 +112,7 @@ def read_raw(self, size=-1):
             resp = self._conn.read(size)
             return resp
         elif size == -1:
-            result = bytes()
+            result = b""
             # If the terminator is empty, we can't use endswith, but must
             # read as many bytes as are available.
             # On the other hand, if terminator is nonempty, we can check

src/instruments/abstract_instruments/comm/socket_communicator.py

@@ -106,7 +106,7 @@ def read_raw(self, size=-1):
         if size >= 0:
             return self._conn.recv(size)
         elif size == -1:
-            result = bytes()
+            result = b""
             while result.endswith(self._terminator.encode("utf-8")) is False:
                 c = self._conn.recv(1)
                 if c == b"":