diff --git a/.librarian/generator-input/client-post-processing/integrate-isolated-handwritten-code.yaml b/.librarian/generator-input/client-post-processing/integrate-isolated-handwritten-code.yaml
index 7ee33fd85053..5b0cbdac5797 100644
--- a/.librarian/generator-input/client-post-processing/integrate-isolated-handwritten-code.yaml
+++ b/.librarian/generator-input/client-post-processing/integrate-isolated-handwritten-code.yaml
@@ -131,6 +131,7 @@ replacements:
     count: 1
   - paths: [
       packages/google-cloud-speech/google/cloud/speech_v1/__init__.py,
+      packages/google-cloud-speech/google/cloud/speech_v1p1beta1/__init__.py,
     ]    
     before: |
       \)
@@ -140,24 +141,16 @@ replacements:
       )
 
       from google.cloud.speech_v1.helpers import SpeechHelpers\n\n
-      class SpeechClient(SpeechHelpers, SpeechClient):
-          __doc__ = SpeechClient.__doc__\n\n
-      __all__ = (
-    count: 1
-  - paths: [
-      packages/google-cloud-speech/google/cloud/speech_v1p1beta1/__init__.py,
-    ]    
-    before: |
-      \)\n
-      __all__ = \(
-    after: |
-      )\n
-      from google.cloud.speech_v1.helpers import SpeechHelpers
-      \n
-      class SpeechClient(SpeechHelpers, SpeechClient):
+      # This class merges the auto-generated GAPIC client with handwritten helper methods.
+      # We ignore [misc] because mypy is flagging that both parent classes have a method
+      # named `streaming_recognize`,
+      # but their type signatures don't match.
+      # We ignore [no-redef] because of the name shadow with SpeechClient. We don't want
+      # to expose the GAPIC client without the helpers.
+      class SpeechClient(SpeechHelpers, SpeechClient):  # type: ignore[no-redef, misc]
           __doc__ = SpeechClient.__doc__\n\n
       __all__ = (
-    count: 1
+    count: 2
   - paths: [
       packages/google-cloud-speech/google/cloud/speech/__init__.py,
     ]    
@@ -301,3 +294,14 @@ replacements:
               "pandas-stubs",
           )
     count: 1
+  - paths: [
+      packages/google-cloud-monitoring/noxfile.py,
+    ]
+    before: |
+      "types-protobuf",
+      \    \)
+    after: |
+      "types-protobuf",
+              "pandas-stubs",
+          )
+    count: 1
diff --git a/packages/google-cloud-monitoring/google/cloud/monitoring_v3/_dataframe.py b/packages/google-cloud-monitoring/google/cloud/monitoring_v3/_dataframe.py
index d7d73c859f0e..15c0f1148f28 100644
--- a/packages/google-cloud-monitoring/google/cloud/monitoring_v3/_dataframe.py
+++ b/packages/google-cloud-monitoring/google/cloud/monitoring_v3/_dataframe.py
@@ -19,7 +19,7 @@
 try:
     import pandas
 except ImportError:  # pragma: NO COVER
-    pandas = None
+    pandas = None  # type: ignore[assignment]
 
 from google.cloud import monitoring_v3
 
diff --git a/packages/google-cloud-monitoring/noxfile.py b/packages/google-cloud-monitoring/noxfile.py
index 8364b2c75d85..f1682f6c8d4b 100644
--- a/packages/google-cloud-monitoring/noxfile.py
+++ b/packages/google-cloud-monitoring/noxfile.py
@@ -101,6 +101,7 @@ def mypy(session):
         "mypy<1.16.0",
         "types-requests",
         "types-protobuf",
+        "pandas-stubs",
     )
     session.install(".")
     session.run(
diff --git a/packages/google-cloud-org-policy/google/cloud/orgpolicy/v1/__init__.py b/packages/google-cloud-org-policy/google/cloud/orgpolicy/v1/__init__.py
index 8d4431ecf577..d96b91a2cf45 100644
--- a/packages/google-cloud-org-policy/google/cloud/orgpolicy/v1/__init__.py
+++ b/packages/google-cloud-org-policy/google/cloud/orgpolicy/v1/__init__.py
@@ -17,13 +17,15 @@
 
 from __future__ import absolute_import
 
+from typing import List
+
 from google.api_core.protobuf_helpers import get_messages
 
 from google.cloud.orgpolicy.v1 import orgpolicy_pb2
 
 _modules = [orgpolicy_pb2]
 
-names = []
+names: List[str] = []
 
 for module in _modules:
     for name, message in get_messages(module).items():
diff --git a/packages/google-cloud-speech/google/cloud/speech_v1/__init__.py b/packages/google-cloud-speech/google/cloud/speech_v1/__init__.py
index bfcc3f05fb46..3c564fd1c822 100644
--- a/packages/google-cloud-speech/google/cloud/speech_v1/__init__.py
+++ b/packages/google-cloud-speech/google/cloud/speech_v1/__init__.py
@@ -169,7 +169,13 @@ def _get_version(dependency_name):
 from google.cloud.speech_v1.helpers import SpeechHelpers
 
 
-class SpeechClient(SpeechHelpers, SpeechClient):
+# This class merges the auto-generated GAPIC client with handwritten helper methods.
+# We ignore [misc] because mypy is flagging that both parent classes have a method
+# named `streaming_recognize`,
+# but their type signatures don't match.
+# We ignore [no-redef] because of the name shadow with SpeechClient. We don't want
+# to expose the GAPIC client without the helpers.
+class SpeechClient(SpeechHelpers, SpeechClient):  # type: ignore[no-redef, misc]
     __doc__ = SpeechClient.__doc__
 
 
diff --git a/packages/google-cloud-speech/google/cloud/speech_v1p1beta1/__init__.py b/packages/google-cloud-speech/google/cloud/speech_v1p1beta1/__init__.py
index 5dc5d8aba240..9c13f52f4c66 100644
--- a/packages/google-cloud-speech/google/cloud/speech_v1p1beta1/__init__.py
+++ b/packages/google-cloud-speech/google/cloud/speech_v1p1beta1/__init__.py
@@ -169,7 +169,13 @@ def _get_version(dependency_name):
 from google.cloud.speech_v1.helpers import SpeechHelpers
 
 
-class SpeechClient(SpeechHelpers, SpeechClient):
+# This class merges the auto-generated GAPIC client with handwritten helper methods.
+# We ignore [misc] because mypy is flagging that both parent classes have a method
+# named `streaming_recognize`,
+# but their type signatures don't match.
+# We ignore [no-redef] because of the name shadow with SpeechClient. We don't want
+# to expose the GAPIC client without the helpers.
+class SpeechClient(SpeechHelpers, SpeechClient):  # type: ignore[no-redef, misc]
     __doc__ = SpeechClient.__doc__
 
 
diff --git a/packages/google-cloud-vision/google/cloud/vision_helpers/__init__.py b/packages/google-cloud-vision/google/cloud/vision_helpers/__init__.py
index fbcbd209bc74..039b43416477 100644
--- a/packages/google-cloud-vision/google/cloud/vision_helpers/__init__.py
+++ b/packages/google-cloud-vision/google/cloud/vision_helpers/__init__.py
@@ -15,7 +15,7 @@
 from __future__ import absolute_import
 
 from google.api_core import protobuf_helpers as protobuf
-import proto
+import proto  # type: ignore
 
 
 class VisionHelpers(object):