Merge remote-tracking branch 'origin/master'

frites/io/__init__.py

@@ -1,5 +1,4 @@
 """I/O conversion functions."""
 from .io_attributes import Attributes  # noqa
-from .io_dependencies import (is_pandas_installed, is_xarray_installed,  # noqa
-                              is_numba_installed)
+from .io_dependencies import (is_numba_installed)  # noqa
 from .io_syslog import set_log_level, logger, verbose  # noqa

frites/io/io_dependencies.py

@@ -1,34 +1,6 @@
 """Check if packages are installed."""
 
 
-def is_pandas_installed(raise_error=False):
-    """Test if pandas is installed."""
-    try:
-        import pandas  # noqa
-        is_installed = True
-    except ImportError:
-        is_installed = False
-    # Raise error (if needed) :
-    if raise_error and not is_installed:
-        raise IOError("pandas not installed. See https://pandas.pydata.org/#"
-                      "best-way-to-install for installation instructions.")
-    return is_installed
-
-
-def is_xarray_installed(raise_error=False):
-    """Test if xarray is installed."""
-    try:
-        import xarray  # noqa
-        is_installed = True
-    except ImportError:
-        is_installed = False
-    # Raise error (if needed) :
-    if raise_error and not is_installed:
-        raise IOError("xarray not installed. See http://xarray.pydata.org"
-                      "for installation instructions.")
-    return is_installed
-
-
 def is_numba_installed(raise_error=False):
     """Test if numba is installed."""
     try: