We are currently solving the following issue within our repository. Here is the issue text:
--- BEGIN ISSUE ---
lint takes a long time
Fix that.

--- END ISSUE ---

Below are some code segments, each from a relevant file. One or more of these files may contain bugs.
--- BEGIN FILES ---
Path: `exporter/opentelemetry-exporter-opencensus/src/opentelemetry/exporter/opencensus/util.py`
Content:
```
1 # Copyright The OpenTelemetry Authors
2 #
3 # Licensed under the Apache License, Version 2.0 (the "License");
4 # you may not use this file except in compliance with the License.
5 # You may obtain a copy of the License at
6 #
7 #     http://www.apache.org/licenses/LICENSE-2.0
8 #
9 # Unless required by applicable law or agreed to in writing, software
10 # distributed under the License is distributed on an "AS IS" BASIS,
11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 # See the License for the specific language governing permissions and
13 # limitations under the License.
14 
15 from os import getpid
16 from socket import gethostname
17 from time import time
18 
19 # pylint: disable=wrong-import-position
20 from google.protobuf.timestamp_pb2 import Timestamp
21 from opencensus.proto.agent.common.v1 import common_pb2
22 from opencensus.proto.trace.v1 import trace_pb2
23 
24 from opentelemetry.exporter.opencensus.version import (
25     __version__ as opencensusexporter_exporter_version,
26 )
27 from opentelemetry.trace import SpanKind
28 from opentelemetry.util._importlib_metadata import version
29 
30 OPENTELEMETRY_VERSION = version("opentelemetry-api")
31 
32 
33 def proto_timestamp_from_time_ns(time_ns):
34     """Converts datetime to protobuf timestamp.
35 
36     Args:
37         time_ns: Time in nanoseconds
38 
39     Returns:
40         Returns protobuf timestamp.
41     """
42     ts = Timestamp()
43     if time_ns is not None:
44         # pylint: disable=no-member
45         ts.FromNanoseconds(time_ns)
46     return ts
47 
48 
49 # pylint: disable=no-member
50 def get_collector_span_kind(kind: SpanKind):
51     if kind is SpanKind.SERVER:
52         return trace_pb2.Span.SpanKind.SERVER
53     if kind is SpanKind.CLIENT:
54         return trace_pb2.Span.SpanKind.CLIENT
55     return trace_pb2.Span.SpanKind.SPAN_KIND_UNSPECIFIED
56 
57 
58 def add_proto_attribute_value(pb_attributes, key, value):
59     """Sets string, int, boolean or float value on protobuf
60         span, link or annotation attributes.
61 
62     Args:
63         pb_attributes: protobuf Span's attributes property.
64         key: attribute key to set.
65         value: attribute value
66     """
67 
68     if isinstance(value, bool):
69         pb_attributes.attribute_map[key].bool_value = value
70     elif isinstance(value, int):
71         pb_attributes.attribute_map[key].int_value = value
72     elif isinstance(value, str):
73         pb_attributes.attribute_map[key].string_value.value = value
74     elif isinstance(value, float):
75         pb_attributes.attribute_map[key].double_value = value
76     else:
77         pb_attributes.attribute_map[key].string_value.value = str(value)
78 
79 
80 # pylint: disable=no-member
81 def get_node(service_name, host_name):
82     """Generates Node message from params and system information.
83 
84     Args:
85        service_name: Name of Collector service.
86        host_name: Host name.
87     """
88     return common_pb2.Node(
89         identifier=common_pb2.ProcessIdentifier(
90             host_name=gethostname() if host_name is None else host_name,
91             pid=getpid(),
92             start_timestamp=proto_timestamp_from_time_ns(int(time() * 1e9)),
93         ),
94         library_info=common_pb2.LibraryInfo(
95             language=common_pb2.LibraryInfo.Language.Value("PYTHON"),
96             exporter_version=opencensusexporter_exporter_version,
97             core_library_version=OPENTELEMETRY_VERSION,
98         ),
99         service_info=common_pb2.ServiceInfo(name=service_name),
100     )
101
```
--- END FILES ---

Please first localize the bug based on the issue statement, and then generate a patch according to the `git diff` format fenced by three backticks.

Here is an example:

```diff
diff --git a/examples/server_async.py b/examples/server_async.py
--- a/examples/server_async.py
+++ b/examples/server_async.py
@@ -313,4 +313,4 @@
 
 
 if __name__ == "__main__":
-    asyncio.run(run_async_server("."), debug=True)
+    asyncio.run(run_async_server(), debug=True)
diff --git a/examples/server_sync.py b/examples/server_sync.py
--- a/examples/server_sync.py
+++ b/examples/server_sync.py
@@ -313,5 +313,5 @@
 
 
 if __name__ == "__main__":
-    server = run_sync_server(".")
+    server = run_sync_server()
     server.shutdown()

```

diff --git a/exporter/opentelemetry-exporter-opencensus/src/opentelemetry/exporter/opencensus/util.py b/exporter/opentelemetry-exporter-opencensus/src/opentelemetry/exporter/opencensus/util.py
--- a/exporter/opentelemetry-exporter-opencensus/src/opentelemetry/exporter/opencensus/util.py
+++ b/exporter/opentelemetry-exporter-opencensus/src/opentelemetry/exporter/opencensus/util.py
@@ -17,7 +17,9 @@
 from time import time
 
 # pylint: disable=wrong-import-position
-from google.protobuf.timestamp_pb2 import Timestamp
+from google.protobuf.timestamp_pb2 import (  # pylint: disable=no-name-in-module
+    Timestamp,
+)
 from opencensus.proto.agent.common.v1 import common_pb2
 from opencensus.proto.trace.v1 import trace_pb2

{"golden_diff": "diff --git a/exporter/opentelemetry-exporter-opencensus/src/opentelemetry/exporter/opencensus/util.py b/exporter/opentelemetry-exporter-opencensus/src/opentelemetry/exporter/opencensus/util.py\n--- a/exporter/opentelemetry-exporter-opencensus/src/opentelemetry/exporter/opencensus/util.py\n+++ b/exporter/opentelemetry-exporter-opencensus/src/opentelemetry/exporter/opencensus/util.py\n@@ -17,7 +17,9 @@\n from time import time\n \n # pylint: disable=wrong-import-position\n-from google.protobuf.timestamp_pb2 import Timestamp\n+from google.protobuf.timestamp_pb2 import (  # pylint: disable=no-name-in-module\n+    Timestamp,\n+)\n from opencensus.proto.agent.common.v1 import common_pb2\n from opencensus.proto.trace.v1 import trace_pb2\n", "issue": "lint takes a long time\nFix that.\n", "before_files": [{"content": "# Copyright The OpenTelemetry Authors\n#\n# Licensed under the Apache License, Version 2.0 (the \"License\");\n# you may not use this file except in compliance with the License.\n# You may obtain a copy of the License at\n#\n#     http://www.apache.org/licenses/LICENSE-2.0\n#\n# Unless required by applicable law or agreed to in writing, software\n# distributed under the License is distributed on an \"AS IS\" BASIS,\n# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n# See the License for the specific language governing permissions and\n# limitations under the License.\n\nfrom os import getpid\nfrom socket import gethostname\nfrom time import time\n\n# pylint: disable=wrong-import-position\nfrom google.protobuf.timestamp_pb2 import Timestamp\nfrom opencensus.proto.agent.common.v1 import common_pb2\nfrom opencensus.proto.trace.v1 import trace_pb2\n\nfrom opentelemetry.exporter.opencensus.version import (\n    __version__ as opencensusexporter_exporter_version,\n)\nfrom opentelemetry.trace import SpanKind\nfrom opentelemetry.util._importlib_metadata import version\n\nOPENTELEMETRY_VERSION = version(\"opentelemetry-api\")\n\n\ndef proto_timestamp_from_time_ns(time_ns):\n    \"\"\"Converts datetime to protobuf timestamp.\n\n    Args:\n        time_ns: Time in nanoseconds\n\n    Returns:\n        Returns protobuf timestamp.\n    \"\"\"\n    ts = Timestamp()\n    if time_ns is not None:\n        # pylint: disable=no-member\n        ts.FromNanoseconds(time_ns)\n    return ts\n\n\n# pylint: disable=no-member\ndef get_collector_span_kind(kind: SpanKind):\n    if kind is SpanKind.SERVER:\n        return trace_pb2.Span.SpanKind.SERVER\n    if kind is SpanKind.CLIENT:\n        return trace_pb2.Span.SpanKind.CLIENT\n    return trace_pb2.Span.SpanKind.SPAN_KIND_UNSPECIFIED\n\n\ndef add_proto_attribute_value(pb_attributes, key, value):\n    \"\"\"Sets string, int, boolean or float value on protobuf\n        span, link or annotation attributes.\n\n    Args:\n        pb_attributes: protobuf Span's attributes property.\n        key: attribute key to set.\n        value: attribute value\n    \"\"\"\n\n    if isinstance(value, bool):\n        pb_attributes.attribute_map[key].bool_value = value\n    elif isinstance(value, int):\n        pb_attributes.attribute_map[key].int_value = value\n    elif isinstance(value, str):\n        pb_attributes.attribute_map[key].string_value.value = value\n    elif isinstance(value, float):\n        pb_attributes.attribute_map[key].double_value = value\n    else:\n        pb_attributes.attribute_map[key].string_value.value = str(value)\n\n\n# pylint: disable=no-member\ndef get_node(service_name, host_name):\n    \"\"\"Generates Node message from params and system information.\n\n    Args:\n       service_name: Name of Collector service.\n       host_name: Host name.\n    \"\"\"\n    return common_pb2.Node(\n        identifier=common_pb2.ProcessIdentifier(\n            host_name=gethostname() if host_name is None else host_name,\n            pid=getpid(),\n            start_timestamp=proto_timestamp_from_time_ns(int(time() * 1e9)),\n        ),\n        library_info=common_pb2.LibraryInfo(\n            language=common_pb2.LibraryInfo.Language.Value(\"PYTHON\"),\n            exporter_version=opencensusexporter_exporter_version,\n            core_library_version=OPENTELEMETRY_VERSION,\n        ),\n        service_info=common_pb2.ServiceInfo(name=service_name),\n    )\n", "path": "exporter/opentelemetry-exporter-opencensus/src/opentelemetry/exporter/opencensus/util.py"}], "after_files": [{"content": "# Copyright The OpenTelemetry Authors\n#\n# Licensed under the Apache License, Version 2.0 (the \"License\");\n# you may not use this file except in compliance with the License.\n# You may obtain a copy of the License at\n#\n#     http://www.apache.org/licenses/LICENSE-2.0\n#\n# Unless required by applicable law or agreed to in writing, software\n# distributed under the License is distributed on an \"AS IS\" BASIS,\n# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n# See the License for the specific language governing permissions and\n# limitations under the License.\n\nfrom os import getpid\nfrom socket import gethostname\nfrom time import time\n\n# pylint: disable=wrong-import-position\nfrom google.protobuf.timestamp_pb2 import (  # pylint: disable=no-name-in-module\n    Timestamp,\n)\nfrom opencensus.proto.agent.common.v1 import common_pb2\nfrom opencensus.proto.trace.v1 import trace_pb2\n\nfrom opentelemetry.exporter.opencensus.version import (\n    __version__ as opencensusexporter_exporter_version,\n)\nfrom opentelemetry.trace import SpanKind\nfrom opentelemetry.util._importlib_metadata import version\n\nOPENTELEMETRY_VERSION = version(\"opentelemetry-api\")\n\n\ndef proto_timestamp_from_time_ns(time_ns):\n    \"\"\"Converts datetime to protobuf timestamp.\n\n    Args:\n        time_ns: Time in nanoseconds\n\n    Returns:\n        Returns protobuf timestamp.\n    \"\"\"\n    ts = Timestamp()\n    if time_ns is not None:\n        # pylint: disable=no-member\n        ts.FromNanoseconds(time_ns)\n    return ts\n\n\n# pylint: disable=no-member\ndef get_collector_span_kind(kind: SpanKind):\n    if kind is SpanKind.SERVER:\n        return trace_pb2.Span.SpanKind.SERVER\n    if kind is SpanKind.CLIENT:\n        return trace_pb2.Span.SpanKind.CLIENT\n    return trace_pb2.Span.SpanKind.SPAN_KIND_UNSPECIFIED\n\n\ndef add_proto_attribute_value(pb_attributes, key, value):\n    \"\"\"Sets string, int, boolean or float value on protobuf\n        span, link or annotation attributes.\n\n    Args:\n        pb_attributes: protobuf Span's attributes property.\n        key: attribute key to set.\n        value: attribute value\n    \"\"\"\n\n    if isinstance(value, bool):\n        pb_attributes.attribute_map[key].bool_value = value\n    elif isinstance(value, int):\n        pb_attributes.attribute_map[key].int_value = value\n    elif isinstance(value, str):\n        pb_attributes.attribute_map[key].string_value.value = value\n    elif isinstance(value, float):\n        pb_attributes.attribute_map[key].double_value = value\n    else:\n        pb_attributes.attribute_map[key].string_value.value = str(value)\n\n\n# pylint: disable=no-member\ndef get_node(service_name, host_name):\n    \"\"\"Generates Node message from params and system information.\n\n    Args:\n       service_name: Name of Collector service.\n       host_name: Host name.\n    \"\"\"\n    return common_pb2.Node(\n        identifier=common_pb2.ProcessIdentifier(\n            host_name=gethostname() if host_name is None else host_name,\n            pid=getpid(),\n            start_timestamp=proto_timestamp_from_time_ns(int(time() * 1e9)),\n        ),\n        library_info=common_pb2.LibraryInfo(\n            language=common_pb2.LibraryInfo.Language.Value(\"PYTHON\"),\n            exporter_version=opencensusexporter_exporter_version,\n            core_library_version=OPENTELEMETRY_VERSION,\n        ),\n        service_info=common_pb2.ServiceInfo(name=service_name),\n    )\n", "path": "exporter/opentelemetry-exporter-opencensus/src/opentelemetry/exporter/opencensus/util.py"}]}