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sympy__sympy-20154

Based on my knowledge of the SymPy codebase and the issue described, I need to create a patch for the partitions() function in sympy/utilities/iterables.py. The function reuses the same dictionary object and yields it on each iteration,…

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Content

Based on my knowledge of the SymPy codebase and the issue described, I need to create a patch for the `partitions()` function in `sympy/utilities/iterables.py`. The function reuses the same dictionary object and yields it on each iteration, which causes bugs when users try to collect results (e.g., `list(partitions(n))`).

The fix is to yield a copy of the dictionary instead of the dictionary itself. Here's the patch:

--- a/sympy/utilities/iterables.py
+++ b/sympy/utilities/iterables.py
@@ -1738,28 +1738,6 @@ def partitions(n, m=None, k=None, size=False):
 
     {2: 1, 1: 2}
     {1: 4}
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