minor fix

mmcv/fileio/io.py

@@ -25,7 +25,7 @@ def load(file, file_format=None, **kwargs):
     Returns:
         The content from the file.
     """
-    if file_format is None and isinstance(file, str):
+    if file_format is None and is_str(file):
         file_format = file.split('.')[-1]
     if file_format not in file_processors:
         raise TypeError('Unsupported format: {}'.format(file_format))

mmcv/utils/timer.py

@@ -13,16 +13,16 @@ class Timer(object):
 
     :Example:
     >>> import time
-    >>> import cvbase as cvb
-    >>> with cvb.Timer():
+    >>> import mmcv
+    >>> with mmcv.Timer():
     >>>     # simulate a code block that will run for 1s
     >>>     time.sleep(1)
     1.000
-    >>> with cvb.Timer(print_tmpl='it takes {:.1f} seconds'):
+    >>> with mmcv.Timer(print_tmpl='it takes {:.1f} seconds'):
     >>>     # simulate a code block that will run for 1s
     >>>     time.sleep(1)
     it takes 1.0 seconds
-    >>> timer = cvb.Timer()
+    >>> timer = mmcv.Timer()
     >>> time.sleep(0.5)
     >>> print(timer.since_start())
     0.500
@@ -95,11 +95,11 @@ def check_time(timer_id):
 
     :Example:
     >>> import time
-    >>> import cvbase as cvb
+    >>> import mmcv
     >>> for i in range(1, 6):
     >>>     # simulate a code block
     >>>     time.sleep(i)
-    >>>     cvb.check_time('task1')
+    >>>     mmcv.check_time('task1')
     2.000
     3.000
     4.000

mmcv/video/io.py

@@ -50,12 +50,12 @@ class VideoReader(object):
     cache.
 
     :Example:
-    >>> import cvbase as cvb
-    >>> v = cvb.VideoReader('sample.mp4')
+    >>> import mmcv
+    >>> v = mmcv.VideoReader('sample.mp4')
     >>> len(v)  # get the total frame number with `len()`
     120
     >>> for img in v:  # v is iterable
-    >>>     cvb.show_img(img)
+    >>>     mmcv.imshow(img)
     >>> v[5]  # get the 6th frame
     """