from ..element import Contours, Polygons if hasattr(extension, 'register_backend_callback'): def _load_bokeh(): from . import bokeh # noqa extension.register_backend_callback('bokeh', _load_bokeh) def _load_mpl(): from . import mpl # noqa extension.register_backend_callback('matplotlib', _load_mpl) backends = Store.loaded_backends() if 'bokeh' in backends: _load_bokeh() if 'matplotlib' in backends: _load_mpl() else: try: from . import mpl # noqa except ImportError: pass try: from . import bokeh # noqa except ImportError: pass
from holoviews.core.options import Compositor from holoviews.operation.element import contours from ..element import Contours, Polygons if hasattr(extension, 'register_backend_callback'): def _load_bokeh(): from . import bokeh # noqa extension.register_backend_callback('bokeh', _load_bokeh) def _load_mpl(): from . import mpl # noqa extension.register_backend_callback('matplotlib', _load_mpl) backends = Store.loaded_backends() if 'bokeh' in backends: _load_bokeh() if 'matplotlib' in backends: _load_mpl() else: try: from . import mpl # noqa except ImportError: pass try: from . import bokeh # noqa except ImportError: pass