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Tighten type hints on add_variables / add_constraints / add_objective

Status: Open.

#734 In PyPSA/linopy;

· FBumann opened on May 27, 2026

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v1.0

Variable.update() / Constraint.update() should validate inputs the same way add_variables() / add_constraints() do

Status: Open.

#731 In PyPSA/linopy;

· FBumann opened on May 27, 2026

Unify naming: rename .vars → .variables across Constraint/LinearExpression/QuadraticExpression

Status: Open.

#730 In PyPSA/linopy;

· FBumann opened on May 27, 2026

Unify as_dataarray coords semantics with _as_dataarray_in_coords

data-model

Status: Open.

#723 In PyPSA/linopy;

· FBumann opened on May 23, 2026

Opt-in allocator arena release after Model.solve() to bound RSS across sequential solves

Status: Open.

#720 In PyPSA/linopy;

· MaykThewessen opened on May 21, 2026

Meta: predictable arithmetic — coordinate alignment and NaN handling

Status: Open.

#714 In PyPSA/linopy;

· FBumann opened on May 21, 2026

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Predictabe Semantics: Arithmetics, Broadcasting, Joining, Absence

NaN in user-supplied data is silently filled instead of surfaced

Status: Open.

#713 In PyPSA/linopy;

· FBumann opened on May 21, 2026

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Predictabe Semantics: Arithmetics, Broadcasting, Joining, Absence

An absent variable is indistinguishable from a zero variable

data-model

Status: Open.

#712 In PyPSA/linopy;

· FBumann opened on May 21, 2026

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Predictabe Semantics: Arithmetics, Broadcasting, Joining, Absence

Subset constants break associativity: a + factor + b ≠ a + b + factor

Status: Open.

#711 In PyPSA/linopy;

· FBumann opened on May 21, 2026

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Predictabe Semantics: Arithmetics, Broadcasting, Joining, Absence

add_variables: pandas Series/DataFrame bounds with missing dimensions silently drop the dimension

bugSomething isn't workingSomething isn't working

Status: Open.

#709 In PyPSA/linopy;

· FBumann opened on May 21, 2026

Operators align coordinates inconsistently (* by label, + - / by position)

bugSomething isn't workingSomething isn't working

Status: Open.

#708 In PyPSA/linopy;

· FBumann opened on May 21, 2026

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Predictabe Semantics: Arithmetics, Broadcasting, Joining, Absence

x - a <= 0 and x <= a build different constraints

bugSomething isn't workingSomething isn't working

Status: Open.

#707 In PyPSA/linopy;

· FBumann opened on May 21, 2026

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Predictabe Semantics: Arithmetics, Broadcasting, Joining, Absence