<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def get_dependencies():
 """Returns list of dicts which indicate installed dependencies"""


    dependencies = []

    # Numpy
    dep_attrs = {
        "name": "numpy",
        "min_version": "1.1.0",
        "description": "required",
    }
    try:
        import numpy
        dep_attrs["version"] = numpy.version.version
    except ImportError:
        dep_attrs["version"] = None
    dependencies.append(dep_attrs)

    # wxPython
    dep_attrs = {
        "name": "wxPython",
        "min_version": "2.8.10.1",
        "description": "required",
    }
    try:
        import wx
        dep_attrs["version"] = wx.version()
    except ImportError:
        dep_attrs["version"] = None
    dependencies.append(dep_attrs)

    # Matplotlib
    dep_attrs = {
        "name": "matplotlib",
        "min_version": "1.1.1",
        "description": "required",
    }
    try:
        import matplotlib
        dep_attrs["version"] = matplotlib._version.get_versions()["version"]
    except ImportError:
        dep_attrs["version"] = None
    except AttributeError:
        # May happen in old matplotlib versions
        dep_attrs["version"] = matplotlib.__version__

    dependencies.append(dep_attrs)

    # Pycairo
    dep_attrs = {
        "name": "pycairo",
        "min_version": "1.8.8",
        "description": "required",
    }
    try:
        import cairo
        dep_attrs["version"] = cairo.version
    except ImportError:
        dep_attrs["version"] = None
    dependencies.append(dep_attrs)

    # Python GnuPG
    dep_attrs = {
        "name": "python-gnupg",
        "min_version": "0.3.0",
        "description": "for opening own files without approval",
    }
    try:
        import gnupg
        dep_attrs["version"] = gnupg.__version__
    except ImportError:
        dep_attrs["version"] = None
    dependencies.append(dep_attrs)

    # xlrd
    dep_attrs = {
        "name": "xlrd",
        "min_version": "0.9.2",
        "description": "for loading Excel files",
    }
    try:
        import xlrd
        dep_attrs["version"] = xlrd.__VERSION__
    except ImportError:
        dep_attrs["version"] = None
    dependencies.append(dep_attrs)

    # xlwt
    dep_attrs = {
        "name": "xlwt",
        "min_version": "0.7.2",
        "description": "for saving Excel files",
    }
    try:
        import xlwt
        dep_attrs["version"] = xlwt.__VERSION__
    except ImportError:
        dep_attrs["version"] = None
    dependencies.append(dep_attrs)

    # Jedi
    dep_attrs = {
        "name": "jedi",
        "min_version": "0.8.0",
        "description": "for tab completion and context help in the entry line",
    }
    try:
        import jedi
        dep_attrs["version"] = jedi.__version__
    except ImportError:
        dep_attrs["version"] = None
    dependencies.append(dep_attrs)

    # pyrsvg
    dep_attrs = {
        "name": "pyrsvg",
        "min_version": "2.32",
        "description": "for displaying SVG files in cells",
    }
    try:
        import rsvg
        dep_attrs["version"] = True
    except ImportError:
        dep_attrs["version"] = None
    dependencies.append(dep_attrs)

    # pyenchant
    dep_attrs = {
        "name": "pyenchant",
        "min_version": "1.6.6",
        "description": "for spell checking",
    }
    try:
        import enchant
        dep_attrs["version"] = enchant.__version__
    except ImportError:
        dep_attrs["version"] = None
    dependencies.append(dep_attrs)

    return dependencies