diff --git a/RELEASE.rst b/RELEASE.rst
index 8bda8a2924e4c..942bde9df8342 100644
--- a/RELEASE.rst
+++ b/RELEASE.rst
@@ -25,7 +25,7 @@ Where to get it
 pandas 0.8.0
 ============
 
-**Release date:** 6/26/2012
+**Release date:** 6/29/2012
 
 **New features**
 
@@ -210,6 +210,7 @@ pandas 0.8.0
   - Pass keywords to pyplot.boxplot in DataFrame.boxplot (#1493)
   - Bug fixes in MonthBegin (#1483)
   - Preserve MultiIndex names in drop (#1513)
+  - Fix Panel DataFrame slice-assignment bug (#1533)
 
 pandas 0.7.3
 ============
diff --git a/pandas/io/parsers.py b/pandas/io/parsers.py
index a2277fc181fcc..797e5de7a4f6c 100644
--- a/pandas/io/parsers.py
+++ b/pandas/io/parsers.py
@@ -153,7 +153,6 @@ def _read(cls, filepath_or_buffer, kwds):
         from urllib2 import urlopen
         filepath_or_buffer = urlopen(filepath_or_buffer)
         if py3compat.PY3:  # pragma: no cover
-            from io import TextIOWrapper
             if encoding:
                 errors = 'strict'
             else:
@@ -215,7 +214,19 @@ def read_csv(filepath_or_buffer,
              delimiter=None,
              encoding=None,
              squeeze=False):
-    kwds = locals()
+    kwds = dict(filepath_or_buffer=filepath_or_buffer,
+                sep=sep, dialect=dialect,
+                header=header, index_col=index_col,
+                names=names, skiprows=skiprows,
+                na_values=na_values, thousands=thousands,
+                comment=comment, parse_dates=parse_dates,
+                keep_date_col=keep_date_col,
+                dayfirst=dayfirst, date_parser=date_parser,
+                nrows=nrows, iterator=iterator,
+                chunksize=chunksize, skip_footer=skip_footer,
+                converters=converters, verbose=verbose,
+                delimiter=delimiter, encoding=encoding,
+                squeeze=squeeze)
 
     # Alias sep -> delimiter.
     sep = kwds.pop('sep')
@@ -248,7 +259,19 @@ def read_table(filepath_or_buffer,
                delimiter=None,
                encoding=None,
                squeeze=False):
-    kwds = locals()
+    kwds = dict(filepath_or_buffer=filepath_or_buffer,
+                sep=sep, dialect=dialect,
+                header=header, index_col=index_col,
+                names=names, skiprows=skiprows,
+                na_values=na_values, thousands=thousands,
+                comment=comment, parse_dates=parse_dates,
+                keep_date_col=keep_date_col,
+                dayfirst=dayfirst, date_parser=date_parser,
+                nrows=nrows, iterator=iterator,
+                chunksize=chunksize, skip_footer=skip_footer,
+                converters=converters, verbose=verbose,
+                delimiter=delimiter, encoding=encoding,
+                squeeze=squeeze)
 
     # Alias sep -> delimiter.
     sep = kwds.pop('sep')
@@ -284,8 +307,19 @@ def read_fwf(filepath_or_buffer,
              verbose=False,
              encoding=None,
              squeeze=False):
-
-    kwds = locals()
+    kwds = dict(filepath_or_buffer=filepath_or_buffer,
+                colspecs=colspecs, widths=widths,
+                header=header, index_col=index_col,
+                names=names, skiprows=skiprows,
+                na_values=na_values, thousands=thousands,
+                comment=comment, parse_dates=parse_dates,
+                keep_date_col=keep_date_col,
+                dayfirst=dayfirst, date_parser=date_parser,
+                nrows=nrows, iterator=iterator,
+                chunksize=chunksize, skip_footer=skip_footer,
+                converters=converters, verbose=verbose,
+                delimiter=delimiter, encoding=encoding,
+                squeeze=squeeze)
 
     # Check input arguments.
     colspecs = kwds.get('colspecs', None)
@@ -466,8 +500,6 @@ def __init__(self, f, delimiter=None, dialect=None, names=None, header=0,
         self.squeeze = squeeze
 
     def _make_reader(self, f):
-        import csv
-
         sep = self.delimiter
 
         if sep is None or len(sep) == 1: