Don't import gl if not needed.

Fixed a typo.

diff --git a/Demo/sgi/video/VFile.py b/Demo/sgi/video/VFile.py
index b3752991cfff53673199e1c1b767a5bbf574f9b7..0c8aa523029a3c9ce9aaf4e2ba7585efa3f3df6f 100755 (executable)
--- a/Demo/sgi/video/VFile.py
+++ b/Demo/sgi/video/VFile.py
@@ -18,8 +18,12 @@
 # Imported modules
 
 import sys
-import gl
-import GL
+try:
+       import gl
+       import GL
+       no_gl = 0
+except ImportError:
+       no_gl = 1
 import GET
 import colorsys
 import imageop
@@ -340,6 +344,9 @@ class Displayer(VideoParams):
        # This does not need a current window
 
        def init(self):
+               if no_gl:
+                       raise RuntimeError, \
+                                 'no gl module available, so cannot display'
                self = VideoParams.init(self)
                # User-settable parameters
                self.magnify = 1.0      # frame magnification factor
@@ -377,7 +384,7 @@ class Displayer(VideoParams):
                if self.upside_down:
                        gl.pixmode(GL.PM_TTOB, 1)
                if self.mirror_image:
-                       gp.pixmode(GL.PM_RTOL, 1)
+                       gl.pixmode(GL.PM_RTOL, 1)
                if self.format in ('jpeg', 'jpeggrey'):
                        import jpeg
                        data, width, height, bytes = jpeg.decompress(data)