Merge pull request #58 from xenserver-next/cpiofile-fix-reimport-bz2

xcp/cpiofile.py: Fix warning: Reimport 'bz2' (imported line 48)

Author: bernhardkaindl

xcp/cpiofile.py

@@ -282,10 +282,6 @@ def __init__(self, name, mode, comptype, fileobj, bufsize):
                 self._init_write_gz()
 
         if comptype == "bz2":
-            try:
-                import bz2
-            except ImportError:
-                raise CompressionError("bz2 module is not available")
             if mode == "r":
                 self.dbuf = b""
                 self.cmp = bz2.BZ2Decompressor()
@@ -566,7 +562,6 @@ def __init__(self, fileobj, mode):
         self.init()
 
     def init(self):
-        import bz2
         self.pos = 0
         if self.mode == "r":
             self.cmpobj = bz2.BZ2Decompressor()
@@ -1113,11 +1108,6 @@ def bz2open(cls, name, mode="r", fileobj=None, compresslevel=9):
         if len(mode) > 1 or mode not in "rw":
             raise ValueError("mode must be 'r' or 'w'.")
 
-        try:
-            import bz2
-        except ImportError:
-            raise CompressionError("bz2 module is not available")
-
         if fileobj is not None:
             fileobj = cast(IO[Any], _BZ2Proxy(fileobj, mode))  # pragma: no cover
         else: