diff --git a/openstackclient/image/v1/image.py b/openstackclient/image/v1/image.py
index fba656cf6f..490b4122f6 100644
--- a/openstackclient/image/v1/image.py
+++ b/openstackclient/image/v1/image.py
@@ -30,12 +30,6 @@ from osc_lib import utils
 
 from openstackclient.i18n import _
 
-if os.name == "nt":
-    import msvcrt
-else:
-    msvcrt = None
-
-
 CONTAINER_CHOICES = ["ami", "ari", "aki", "bare", "docker", "ova", "ovf"]
 DEFAULT_CONTAINER_FORMAT = 'bare'
 DEFAULT_DISK_FORMAT = 'raw'
@@ -53,7 +47,6 @@ DISK_CHOICES = [
     "ploop",
 ]
 
-
 LOG = logging.getLogger(__name__)
 
 
@@ -323,8 +316,10 @@ class CreateImage(command.ShowOne):
             else:
                 # Read file from stdin
                 if not sys.stdin.isatty():
-                    if msvcrt:
-                        msvcrt.setmode(sys.stdin.fileno(), os.O_BINARY)
+                    if os.name == "nt":
+                        import msvcrt
+
+                        msvcrt.setmode(sys.stdin.fileno(), os.O_BINARY)  # type: ignore
                     if hasattr(sys.stdin, 'buffer'):
                         kwargs['data'] = sys.stdin.buffer
                     else:
@@ -774,8 +769,10 @@ class SetImage(command.Command):
                     # Read file from stdin
                     if sys.stdin.isatty() is not True:
                         if parsed_args.stdin:
-                            if msvcrt:
-                                msvcrt.setmode(sys.stdin.fileno(), os.O_BINARY)
+                            if os.name == "nt":
+                                import msvcrt
+
+                                msvcrt.setmode(sys.stdin.fileno(), os.O_BINARY)  # type: ignore
                             if hasattr(sys.stdin, 'buffer'):
                                 kwargs['data'] = sys.stdin.buffer
                             else:
diff --git a/openstackclient/image/v2/image.py b/openstackclient/image/v2/image.py
index dfe80a9076..a45f3c39eb 100644
--- a/openstackclient/image/v2/image.py
+++ b/openstackclient/image/v2/image.py
@@ -37,12 +37,6 @@ from openstackclient.common import progressbar
 from openstackclient.i18n import _
 from openstackclient.identity import common as identity_common
 
-if os.name == "nt":
-    import msvcrt
-else:
-    msvcrt = None
-
-
 CONTAINER_CHOICES = ["ami", "ari", "aki", "bare", "docker", "ova", "ovf"]
 DEFAULT_CONTAINER_FORMAT = 'bare'
 DEFAULT_DISK_FORMAT = 'raw'
@@ -61,7 +55,6 @@ DISK_CHOICES = [
 ]
 MEMBER_STATUS_CHOICES = ["accepted", "pending", "rejected", "all"]
 
-
 LOG = logging.getLogger(__name__)
 
 
@@ -155,8 +148,10 @@ def get_data_from_stdin():
         image = sys.stdin
         if hasattr(sys.stdin, 'buffer'):
             image = sys.stdin.buffer
-        if msvcrt:
-            msvcrt.setmode(sys.stdin.fileno(), os.O_BINARY)
+        if os.name == "nt":
+            import msvcrt
+
+            msvcrt.setmode(sys.stdin.fileno(), os.O_BINARY)  # type: ignore
 
         return image
     else: