modify __init__.py (#24)

cfxplorer/__init__.py

@@ -1,19 +1,3 @@
-from cfxplorer.focus import Focus
-
-# Let users know if they're missing any of our hard dependencies
-_hard_dependencies = ("tensorflow", "numpy")
-_missing_dependencies = []
-
-for _dependency in _hard_dependencies:
-    try:
-        __import__(_dependency)
-    except ImportError as _e:  # pragma: no cover
-        _missing_dependencies.append(f"{_dependency}: {_e}")
-
-if _missing_dependencies:  # pragma: no cover
-    raise ImportError(
-        "Unable to import required dependencies:\n" + "\n".join(_missing_dependencies)
-    )
-del _hard_dependencies, _dependency, _missing_dependencies
+from .focus import Focus
 
 __all__ = ["Focus"]